Home / 19,009,624.40-28,472,446.20-10,023,678.80

Finding the Fourth Proportional to 19,009,624.40, 28,472,446.20 and 10,023,678.80

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Solution

The fourth proportional to 19,009,624.40, 28,472,446.20 and 10,023,678.80 is: 15,013,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,624.40 : 28,472,446.20 = 10,023,678.80 : x
  2. Step 2: Convert to fraction form
    19,009,624.40/28,472,446.20 = 10,023,678.80/x
  3. Step 3: Cross multiply
    19,009,624.40x = 28,472,446.20 × 10,023,678.80
  4. Step 4: Simplify right side
    19,009,624.40x = 285,398,655,359,080.56
  5. Step 5: Solve for x
    x = 285,398,655,359,080.56/19,009,624.40
  6. Step 6: Final answer
    x = 15,013,376.87

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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.