Home / 25,543,505.16-38,281,989.42-10,379,709

Finding the Fourth Proportional to 25,543,505.16, 38,281,989.42 and 10,379,709

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Solution

The fourth proportional to 25,543,505.16, 38,281,989.42 and 10,379,709 is: 15,556,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543,505.16 : 38,281,989.42 = 10,379,709 : x
  2. Step 2: Convert to fraction form
    25,543,505.16/38,281,989.42 = 10,379,709/x
  3. Step 3: Cross multiply
    25,543,505.16x = 38,281,989.42 × 10,379,709
  4. Step 4: Simplify right side
    25,543,505.16x = 397,355,910,120,678.81
  5. Step 5: Solve for x
    x = 397,355,910,120,678.81/25,543,505.16
  6. Step 6: Final answer
    x = 15,556,044.78

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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.