Home / 21,330,490.73-29,436,912.54-12,038,385.38

Finding the Fourth Proportional to 21,330,490.73, 29,436,912.54 and 12,038,385.38

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Solution

The fourth proportional to 21,330,490.73, 29,436,912.54 and 12,038,385.38 is: 16,613,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,490.73 : 29,436,912.54 = 12,038,385.38 : x
  2. Step 2: Convert to fraction form
    21,330,490.73/29,436,912.54 = 12,038,385.38/x
  3. Step 3: Cross multiply
    21,330,490.73x = 29,436,912.54 × 12,038,385.38
  4. Step 4: Simplify right side
    21,330,490.73x = 354,372,897,406,690.06
  5. Step 5: Solve for x
    x = 354,372,897,406,690.06/21,330,490.73
  6. Step 6: Final answer
    x = 16,613,443.26

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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.