Home / 31,894,984.90-47,809,818.15-15,696,021.70

Finding the Fourth Proportional to 31,894,984.90, 47,809,818.15 and 15,696,021.70

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Solution

The fourth proportional to 31,894,984.90, 47,809,818.15 and 15,696,021.70 is: 23,527,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894,984.90 : 47,809,818.15 = 15,696,021.70 : x
  2. Step 2: Convert to fraction form
    31,894,984.90/47,809,818.15 = 15,696,021.70/x
  3. Step 3: Cross multiply
    31,894,984.90x = 47,809,818.15 × 15,696,021.70
  4. Step 4: Simplify right side
    31,894,984.90x = 750,423,943,155,453.75
  5. Step 5: Solve for x
    x = 750,423,943,155,453.75/31,894,984.90
  6. Step 6: Final answer
    x = 23,527,960.45

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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.