Home / 19,440,072.40-29,104,121.40-18,880,200.40

Finding the Fourth Proportional to 19,440,072.40, 29,104,121.40 and 18,880,200.40

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Solution

The fourth proportional to 19,440,072.40, 29,104,121.40 and 18,880,200.40 is: 28,265,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,072.40 : 29,104,121.40 = 18,880,200.40 : x
  2. Step 2: Convert to fraction form
    19,440,072.40/29,104,121.40 = 18,880,200.40/x
  3. Step 3: Cross multiply
    19,440,072.40x = 29,104,121.40 × 18,880,200.40
  4. Step 4: Simplify right side
    19,440,072.40x = 549,491,644,497,928.50
  5. Step 5: Solve for x
    x = 549,491,644,497,928.50/19,440,072.40
  6. Step 6: Final answer
    x = 28,265,925.83

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.