Home / 21,241,665.40-31,862,498.10-6,097,127.80

Finding the Fourth Proportional to 21,241,665.40, 31,862,498.10 and 6,097,127.80

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Solution

The fourth proportional to 21,241,665.40, 31,862,498.10 and 6,097,127.80 is: 9,145,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,665.40 : 31,862,498.10 = 6,097,127.80 : x
  2. Step 2: Convert to fraction form
    21,241,665.40/31,862,498.10 = 6,097,127.80/x
  3. Step 3: Cross multiply
    21,241,665.40x = 31,862,498.10 × 6,097,127.80
  4. Step 4: Simplify right side
    21,241,665.40x = 194,269,722,942,957.19
  5. Step 5: Solve for x
    x = 194,269,722,942,957.19/21,241,665.40
  6. Step 6: Final answer
    x = 9,145,691.70

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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.