Home / 47,273,681.60-65,226,572.16-28,688,400.80

Finding the Fourth Proportional to 47,273,681.60, 65,226,572.16 and 28,688,400.80

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Solution

The fourth proportional to 47,273,681.60, 65,226,572.16 and 28,688,400.80 is: 39,583,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273,681.60 : 65,226,572.16 = 28,688,400.80 : x
  2. Step 2: Convert to fraction form
    47,273,681.60/65,226,572.16 = 28,688,400.80/x
  3. Step 3: Cross multiply
    47,273,681.60x = 65,226,572.16 × 28,688,400.80
  4. Step 4: Simplify right side
    47,273,681.60x = 1,871,246,044,936,201.75
  5. Step 5: Solve for x
    x = 1,871,246,044,936,201.75/47,273,681.60
  6. Step 6: Final answer
    x = 39,583,251.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.