Home / 18,679,073.91-25,778,277.18-10,306,402.76

Finding the Fourth Proportional to 18,679,073.91, 25,778,277.18 and 10,306,402.76

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Solution

The fourth proportional to 18,679,073.91, 25,778,277.18 and 10,306,402.76 is: 14,223,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,073.91 : 25,778,277.18 = 10,306,402.76 : x
  2. Step 2: Convert to fraction form
    18,679,073.91/25,778,277.18 = 10,306,402.76/x
  3. Step 3: Cross multiply
    18,679,073.91x = 25,778,277.18 × 10,306,402.76
  4. Step 4: Simplify right side
    18,679,073.91x = 265,681,306,947,105.66
  5. Step 5: Solve for x
    x = 265,681,306,947,105.66/18,679,073.91
  6. Step 6: Final answer
    x = 14,223,473.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.