Home / 20,406,200.85-30,609,301.28-14,036,101.65

Finding the Fourth Proportional to 20,406,200.85, 30,609,301.28 and 14,036,101.65

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Solution

The fourth proportional to 20,406,200.85, 30,609,301.28 and 14,036,101.65 is: 21,054,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,200.85 : 30,609,301.28 = 14,036,101.65 : x
  2. Step 2: Convert to fraction form
    20,406,200.85/30,609,301.28 = 14,036,101.65/x
  3. Step 3: Cross multiply
    20,406,200.85x = 30,609,301.28 × 14,036,101.65
  4. Step 4: Simplify right side
    20,406,200.85x = 429,635,264,131,374.62
  5. Step 5: Solve for x
    x = 429,635,264,131,374.62/20,406,200.85
  6. Step 6: Final answer
    x = 21,054,152.48

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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.