Home / 31,712,691-47,569,036.50-7,778,163

Finding the Fourth Proportional to 31,712,691, 47,569,036.50 and 7,778,163

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Solution

The fourth proportional to 31,712,691, 47,569,036.50 and 7,778,163 is: 11,667,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712,691 : 47,569,036.50 = 7,778,163 : x
  2. Step 2: Convert to fraction form
    31,712,691/47,569,036.50 = 7,778,163/x
  3. Step 3: Cross multiply
    31,712,691x = 47,569,036.50 × 7,778,163
  4. Step 4: Simplify right side
    31,712,691x = 369,999,719,649,949.50
  5. Step 5: Solve for x
    x = 369,999,719,649,949.50/31,712,691
  6. Step 6: Final answer
    x = 11,667,244.50

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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.