Home / 19,281,147.49-28,902,561.90-9,667,182.97

Finding the Fourth Proportional to 19,281,147.49, 28,902,561.90 and 9,667,182.97

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Solution

The fourth proportional to 19,281,147.49, 28,902,561.90 and 9,667,182.97 is: 14,491,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,147.49 : 28,902,561.90 = 9,667,182.97 : x
  2. Step 2: Convert to fraction form
    19,281,147.49/28,902,561.90 = 9,667,182.97/x
  3. Step 3: Cross multiply
    19,281,147.49x = 28,902,561.90 × 9,667,182.97
  4. Step 4: Simplify right side
    19,281,147.49x = 279,406,354,189,050.84
  5. Step 5: Solve for x
    x = 279,406,354,189,050.84/19,281,147.49
  6. Step 6: Final answer
    x = 14,491,168.35

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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.