Home / 8,791,863.40-13,187,795.10-7,924,061.80

Finding the Fourth Proportional to 8,791,863.40, 13,187,795.10 and 7,924,061.80

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Solution

The fourth proportional to 8,791,863.40, 13,187,795.10 and 7,924,061.80 is: 11,886,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,863.40 : 13,187,795.10 = 7,924,061.80 : x
  2. Step 2: Convert to fraction form
    8,791,863.40/13,187,795.10 = 7,924,061.80/x
  3. Step 3: Cross multiply
    8,791,863.40x = 13,187,795.10 × 7,924,061.80
  4. Step 4: Simplify right side
    8,791,863.40x = 104,500,903,378,137.17
  5. Step 5: Solve for x
    x = 104,500,903,378,137.17/8,791,863.40
  6. Step 6: Final answer
    x = 11,886,092.70

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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.