Home / 18,686,318.68-25,787,191.04-10,426,729.08

Finding the Fourth Proportional to 18,686,318.68, 25,787,191.04 and 10,426,729.08

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Solution

The fourth proportional to 18,686,318.68, 25,787,191.04 and 10,426,729.08 is: 14,388,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,318.68 : 25,787,191.04 = 10,426,729.08 : x
  2. Step 2: Convert to fraction form
    18,686,318.68/25,787,191.04 = 10,426,729.08/x
  3. Step 3: Cross multiply
    18,686,318.68x = 25,787,191.04 × 10,426,729.08
  4. Step 4: Simplify right side
    18,686,318.68x = 268,876,054,791,952
  5. Step 5: Solve for x
    x = 268,876,054,791,952/18,686,318.68
  6. Step 6: Final answer
    x = 14,388,925.90

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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.