Home / 10,418,972.40-15,598,045.80-7,432,988.40

Finding the Fourth Proportional to 10,418,972.40, 15,598,045.80 and 7,432,988.40

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Solution

The fourth proportional to 10,418,972.40, 15,598,045.80 and 7,432,988.40 is: 11,127,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,972.40 : 15,598,045.80 = 7,432,988.40 : x
  2. Step 2: Convert to fraction form
    10,418,972.40/15,598,045.80 = 7,432,988.40/x
  3. Step 3: Cross multiply
    10,418,972.40x = 15,598,045.80 × 7,432,988.40
  4. Step 4: Simplify right side
    10,418,972.40x = 115,940,093,494,068.73
  5. Step 5: Solve for x
    x = 115,940,093,494,068.73/10,418,972.40
  6. Step 6: Final answer
    x = 11,127,785.84

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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.