Home / 31,947,004.62-47,942,068.92-12,513,820.08

Finding the Fourth Proportional to 31,947,004.62, 47,942,068.92 and 12,513,820.08

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Solution

The fourth proportional to 31,947,004.62, 47,942,068.92 and 12,513,820.08 is: 18,779,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,004.62 : 47,942,068.92 = 12,513,820.08 : x
  2. Step 2: Convert to fraction form
    31,947,004.62/47,942,068.92 = 12,513,820.08/x
  3. Step 3: Cross multiply
    31,947,004.62x = 47,942,068.92 × 12,513,820.08
  4. Step 4: Simplify right side
    31,947,004.62x = 599,938,424,727,840
  5. Step 5: Solve for x
    x = 599,938,424,727,840/31,947,004.62
  6. Step 6: Final answer
    x = 18,779,176.07

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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.