Home / 28,546,553.79-42,819,459.30-6,981,342.21

Finding the Fourth Proportional to 28,546,553.79, 42,819,459.30 and 6,981,342.21

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Solution

The fourth proportional to 28,546,553.79, 42,819,459.30 and 6,981,342.21 is: 10,471,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,553.79 : 42,819,459.30 = 6,981,342.21 : x
  2. Step 2: Convert to fraction form
    28,546,553.79/42,819,459.30 = 6,981,342.21/x
  3. Step 3: Cross multiply
    28,546,553.79x = 42,819,459.30 × 6,981,342.21
  4. Step 4: Simplify right side
    28,546,553.79x = 298,937,298,620,467
  5. Step 5: Solve for x
    x = 298,937,298,620,467/28,546,553.79
  6. Step 6: Final answer
    x = 10,471,922.49

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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.