Home / 13,337,644.60-18,405,967.80-7,226,073.12

Finding the Fourth Proportional to 13,337,644.60, 18,405,967.80 and 7,226,073.12

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Solution

The fourth proportional to 13,337,644.60, 18,405,967.80 and 7,226,073.12 is: 9,971,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,644.60 : 18,405,967.80 = 7,226,073.12 : x
  2. Step 2: Convert to fraction form
    13,337,644.60/18,405,967.80 = 7,226,073.12/x
  3. Step 3: Cross multiply
    13,337,644.60x = 18,405,967.80 × 7,226,073.12
  4. Step 4: Simplify right side
    13,337,644.60x = 133,002,869,167,165.55
  5. Step 5: Solve for x
    x = 133,002,869,167,165.55/13,337,644.60
  6. Step 6: Final answer
    x = 9,971,990.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.