Home / 21,527,446.60-32,254,629.10-12,989,843.40

Finding the Fourth Proportional to 21,527,446.60, 32,254,629.10 and 12,989,843.40

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Solution

The fourth proportional to 21,527,446.60, 32,254,629.10 and 12,989,843.40 is: 19,462,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527,446.60 : 32,254,629.10 = 12,989,843.40 : x
  2. Step 2: Convert to fraction form
    21,527,446.60/32,254,629.10 = 12,989,843.40/x
  3. Step 3: Cross multiply
    21,527,446.60x = 32,254,629.10 × 12,989,843.40
  4. Step 4: Simplify right side
    21,527,446.60x = 418,982,580,934,083
  5. Step 5: Solve for x
    x = 418,982,580,934,083/21,527,446.60
  6. Step 6: Final answer
    x = 19,462,716.07

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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.