Home / 20,776,544.70-31,164,817.05-19,264,890.30

Finding the Fourth Proportional to 20,776,544.70, 31,164,817.05 and 19,264,890.30

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Solution

The fourth proportional to 20,776,544.70, 31,164,817.05 and 19,264,890.30 is: 28,897,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,544.70 : 31,164,817.05 = 19,264,890.30 : x
  2. Step 2: Convert to fraction form
    20,776,544.70/31,164,817.05 = 19,264,890.30/x
  3. Step 3: Cross multiply
    20,776,544.70x = 31,164,817.05 × 19,264,890.30
  4. Step 4: Simplify right side
    20,776,544.70x = 600,386,781,687,819.62
  5. Step 5: Solve for x
    x = 600,386,781,687,819.62/20,776,544.70
  6. Step 6: Final answer
    x = 28,897,335.45

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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.