Home / 20,776,565.70-31,164,848.55-19,264,911.30

Finding the Fourth Proportional to 20,776,565.70, 31,164,848.55 and 19,264,911.30

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Solution

The fourth proportional to 20,776,565.70, 31,164,848.55 and 19,264,911.30 is: 28,897,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,565.70 : 31,164,848.55 = 19,264,911.30 : x
  2. Step 2: Convert to fraction form
    20,776,565.70/31,164,848.55 = 19,264,911.30/x
  3. Step 3: Cross multiply
    20,776,565.70x = 31,164,848.55 × 19,264,911.30
  4. Step 4: Simplify right side
    20,776,565.70x = 600,388,042,993,683.62
  5. Step 5: Solve for x
    x = 600,388,042,993,683.62/20,776,565.70
  6. Step 6: Final answer
    x = 28,897,366.95

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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.