Home / 18,926,839.42-28,390,248.72-4,549,902.66

Finding the Fourth Proportional to 18,926,839.42, 28,390,248.72 and 4,549,902.66

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Solution

The fourth proportional to 18,926,839.42, 28,390,248.72 and 4,549,902.66 is: 6,824,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926,839.42 : 28,390,248.72 = 4,549,902.66 : x
  2. Step 2: Convert to fraction form
    18,926,839.42/28,390,248.72 = 4,549,902.66/x
  3. Step 3: Cross multiply
    18,926,839.42x = 28,390,248.72 × 4,549,902.66
  4. Step 4: Simplify right side
    18,926,839.42x = 129,172,868,169,189.59
  5. Step 5: Solve for x
    x = 129,172,868,169,189.59/18,926,839.42
  6. Step 6: Final answer
    x = 6,824,851.49

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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.