Home / 28,111,488.38-42,168,165.97-9,667,252.42

Finding the Fourth Proportional to 28,111,488.38, 42,168,165.97 and 9,667,252.42

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Solution

The fourth proportional to 28,111,488.38, 42,168,165.97 and 9,667,252.42 is: 14,501,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,488.38 : 42,168,165.97 = 9,667,252.42 : x
  2. Step 2: Convert to fraction form
    28,111,488.38/42,168,165.97 = 9,667,252.42/x
  3. Step 3: Cross multiply
    28,111,488.38x = 42,168,165.97 × 9,667,252.42
  4. Step 4: Simplify right side
    28,111,488.38x = 407,650,304,520,444.12
  5. Step 5: Solve for x
    x = 407,650,304,520,444.12/28,111,488.38
  6. Step 6: Final answer
    x = 14,501,199.62

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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.