Home / 38,304,145.60-57,456,218.40-12,745,988.80

Finding the Fourth Proportional to 38,304,145.60, 57,456,218.40 and 12,745,988.80

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Solution

The fourth proportional to 38,304,145.60, 57,456,218.40 and 12,745,988.80 is: 19,118,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304,145.60 : 57,456,218.40 = 12,745,988.80 : x
  2. Step 2: Convert to fraction form
    38,304,145.60/57,456,218.40 = 12,745,988.80/x
  3. Step 3: Cross multiply
    38,304,145.60x = 57,456,218.40 × 12,745,988.80
  4. Step 4: Simplify right side
    38,304,145.60x = 732,336,316,216,754
  5. Step 5: Solve for x
    x = 732,336,316,216,754/38,304,145.60
  6. Step 6: Final answer
    x = 19,118,983.20

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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.