Home / 19,440,072.90-29,104,122.15-18,880,200.90

Finding the Fourth Proportional to 19,440,072.90, 29,104,122.15 and 18,880,200.90

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Solution

The fourth proportional to 19,440,072.90, 29,104,122.15 and 18,880,200.90 is: 28,265,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,072.90 : 29,104,122.15 = 18,880,200.90 : x
  2. Step 2: Convert to fraction form
    19,440,072.90/29,104,122.15 = 18,880,200.90/x
  3. Step 3: Cross multiply
    19,440,072.90x = 29,104,122.15 × 18,880,200.90
  4. Step 4: Simplify right side
    19,440,072.90x = 549,491,673,210,139.88
  5. Step 5: Solve for x
    x = 549,491,673,210,139.88/19,440,072.90
  6. Step 6: Final answer
    x = 28,265,926.58

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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.