Home / 31,894,971.90-47,809,798.65-15,696,008.70

Finding the Fourth Proportional to 31,894,971.90, 47,809,798.65 and 15,696,008.70

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Solution

The fourth proportional to 31,894,971.90, 47,809,798.65 and 15,696,008.70 is: 23,527,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894,971.90 : 47,809,798.65 = 15,696,008.70 : x
  2. Step 2: Convert to fraction form
    31,894,971.90/47,809,798.65 = 15,696,008.70/x
  3. Step 3: Cross multiply
    31,894,971.90x = 47,809,798.65 × 15,696,008.70
  4. Step 4: Simplify right side
    31,894,971.90x = 750,423,015,555,648.25
  5. Step 5: Solve for x
    x = 750,423,015,555,648.25/31,894,971.90
  6. Step 6: Final answer
    x = 23,527,940.95

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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.