Home / 28,039,491.60-42,059,237.40-18,465,680.40

Finding the Fourth Proportional to 28,039,491.60, 42,059,237.40 and 18,465,680.40

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Solution

The fourth proportional to 28,039,491.60, 42,059,237.40 and 18,465,680.40 is: 27,698,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,491.60 : 42,059,237.40 = 18,465,680.40 : x
  2. Step 2: Convert to fraction form
    28,039,491.60/42,059,237.40 = 18,465,680.40/x
  3. Step 3: Cross multiply
    28,039,491.60x = 42,059,237.40 × 18,465,680.40
  4. Step 4: Simplify right side
    28,039,491.60x = 776,652,435,696,126.88
  5. Step 5: Solve for x
    x = 776,652,435,696,126.88/28,039,491.60
  6. Step 6: Final answer
    x = 27,698,520.60

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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.