Home / 30,471,253.73-45,696,251.77-13,422,626.45

Finding the Fourth Proportional to 30,471,253.73, 45,696,251.77 and 13,422,626.45

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Solution

The fourth proportional to 30,471,253.73, 45,696,251.77 and 13,422,626.45 is: 20,129,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471,253.73 : 45,696,251.77 = 13,422,626.45 : x
  2. Step 2: Convert to fraction form
    30,471,253.73/45,696,251.77 = 13,422,626.45/x
  3. Step 3: Cross multiply
    30,471,253.73x = 45,696,251.77 × 13,422,626.45
  4. Step 4: Simplify right side
    30,471,253.73x = 613,363,717,673,861.38
  5. Step 5: Solve for x
    x = 613,363,717,673,861.38/30,471,253.73
  6. Step 6: Final answer
    x = 20,129,257.66

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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.