Home / 31,539,961.92-47,309,627.16-9,974,567.28

Finding the Fourth Proportional to 31,539,961.92, 47,309,627.16 and 9,974,567.28

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Solution

The fourth proportional to 31,539,961.92, 47,309,627.16 and 9,974,567.28 is: 14,961,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,961.92 : 47,309,627.16 = 9,974,567.28 : x
  2. Step 2: Convert to fraction form
    31,539,961.92/47,309,627.16 = 9,974,567.28/x
  3. Step 3: Cross multiply
    31,539,961.92x = 47,309,627.16 × 9,974,567.28
  4. Step 4: Simplify right side
    31,539,961.92x = 471,893,059,099,135.25
  5. Step 5: Solve for x
    x = 471,893,059,099,135.25/31,539,961.92
  6. Step 6: Final answer
    x = 14,961,751.07

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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.