Home / 31,947,070.40-47,887,946.40-15,748,107.20

Finding the Fourth Proportional to 31,947,070.40, 47,887,946.40 and 15,748,107.20

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Solution

The fourth proportional to 31,947,070.40, 47,887,946.40 and 15,748,107.20 is: 23,606,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,070.40 : 47,887,946.40 = 15,748,107.20 : x
  2. Step 2: Convert to fraction form
    31,947,070.40/47,887,946.40 = 15,748,107.20/x
  3. Step 3: Cross multiply
    31,947,070.40x = 47,887,946.40 × 15,748,107.20
  4. Step 4: Simplify right side
    31,947,070.40x = 754,144,513,495,054
  5. Step 5: Solve for x
    x = 754,144,513,495,054/31,947,070.40
  6. Step 6: Final answer
    x = 23,606,061.65

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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.