Home / 20,588,864.40-30,862,301.40-12,064,813.20

Finding the Fourth Proportional to 20,588,864.40, 30,862,301.40 and 12,064,813.20

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Solution

The fourth proportional to 20,588,864.40, 30,862,301.40 and 12,064,813.20 is: 18,084,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,864.40 : 30,862,301.40 = 12,064,813.20 : x
  2. Step 2: Convert to fraction form
    20,588,864.40/30,862,301.40 = 12,064,813.20/x
  3. Step 3: Cross multiply
    20,588,864.40x = 30,862,301.40 × 12,064,813.20
  4. Step 4: Simplify right side
    20,588,864.40x = 372,347,901,313,098.44
  5. Step 5: Solve for x
    x = 372,347,901,313,098.44/20,588,864.40
  6. Step 6: Final answer
    x = 18,084,916.88

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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.