Home / 21,335,250.86-31,989,916.64-8,365,863.97

Finding the Fourth Proportional to 21,335,250.86, 31,989,916.64 and 8,365,863.97

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Solution

The fourth proportional to 21,335,250.86, 31,989,916.64 and 8,365,863.97 is: 12,543,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,250.86 : 31,989,916.64 = 8,365,863.97 : x
  2. Step 2: Convert to fraction form
    21,335,250.86/31,989,916.64 = 8,365,863.97/x
  3. Step 3: Cross multiply
    21,335,250.86x = 31,989,916.64 × 8,365,863.97
  4. Step 4: Simplify right side
    21,335,250.86x = 267,623,291,082,781.50
  5. Step 5: Solve for x
    x = 267,623,291,082,781.50/21,335,250.86
  6. Step 6: Final answer
    x = 12,543,714.29

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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.