Home / 12,635,165.53-18,902,881.50-9,569,986.16

Finding the Fourth Proportional to 12,635,165.53, 18,902,881.50 and 9,569,986.16

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Solution

The fourth proportional to 12,635,165.53, 18,902,881.50 and 9,569,986.16 is: 14,317,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,165.53 : 18,902,881.50 = 9,569,986.16 : x
  2. Step 2: Convert to fraction form
    12,635,165.53/18,902,881.50 = 9,569,986.16/x
  3. Step 3: Cross multiply
    12,635,165.53x = 18,902,881.50 × 9,569,986.16
  4. Step 4: Simplify right side
    12,635,165.53x = 180,900,314,208,718.16
  5. Step 5: Solve for x
    x = 180,900,314,208,718.16/12,635,165.53
  6. Step 6: Final answer
    x = 14,317,209.68

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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.