Home / 20,526,430.50-28,175,587.04-18,151,282.89

Finding the Fourth Proportional to 20,526,430.50, 28,175,587.04 and 18,151,282.89

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Solution

The fourth proportional to 20,526,430.50, 28,175,587.04 and 18,151,282.89 is: 24,915,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,430.50 : 28,175,587.04 = 18,151,282.89 : x
  2. Step 2: Convert to fraction form
    20,526,430.50/28,175,587.04 = 18,151,282.89/x
  3. Step 3: Cross multiply
    20,526,430.50x = 28,175,587.04 × 18,151,282.89
  4. Step 4: Simplify right side
    20,526,430.50x = 511,423,051,000,236
  5. Step 5: Solve for x
    x = 511,423,051,000,236/20,526,430.50
  6. Step 6: Final answer
    x = 24,915,342.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.