Home / 18,686,306.32-25,787,174.02-10,426,716.73

Finding the Fourth Proportional to 18,686,306.32, 25,787,174.02 and 10,426,716.73

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Solution

The fourth proportional to 18,686,306.32, 25,787,174.02 and 10,426,716.73 is: 14,388,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,306.32 : 25,787,174.02 = 10,426,716.73 : x
  2. Step 2: Convert to fraction form
    18,686,306.32/25,787,174.02 = 10,426,716.73/x
  3. Step 3: Cross multiply
    18,686,306.32x = 25,787,174.02 × 10,426,716.73
  4. Step 4: Simplify right side
    18,686,306.32x = 268,875,558,838,572.78
  5. Step 5: Solve for x
    x = 268,875,558,838,572.78/18,686,306.32
  6. Step 6: Final answer
    x = 14,388,908.87

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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.