Home / 10,902,981.60-16,354,472.40-3,722,623.20

Finding the Fourth Proportional to 10,902,981.60, 16,354,472.40 and 3,722,623.20

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Solution

The fourth proportional to 10,902,981.60, 16,354,472.40 and 3,722,623.20 is: 5,583,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,981.60 : 16,354,472.40 = 3,722,623.20 : x
  2. Step 2: Convert to fraction form
    10,902,981.60/16,354,472.40 = 3,722,623.20/x
  3. Step 3: Cross multiply
    10,902,981.60x = 16,354,472.40 × 3,722,623.20
  4. Step 4: Simplify right side
    10,902,981.60x = 60,881,538,379,999.69
  5. Step 5: Solve for x
    x = 60,881,538,379,999.69/10,902,981.60
  6. Step 6: Final answer
    x = 5,583,934.80

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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.