Home / 25,688,318.72-38,505,505.28-8,643,074.56

Finding the Fourth Proportional to 25,688,318.72, 38,505,505.28 and 8,643,074.56

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Solution

The fourth proportional to 25,688,318.72, 38,505,505.28 and 8,643,074.56 is: 12,955,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688,318.72 : 38,505,505.28 = 8,643,074.56 : x
  2. Step 2: Convert to fraction form
    25,688,318.72/38,505,505.28 = 8,643,074.56/x
  3. Step 3: Cross multiply
    25,688,318.72x = 38,505,505.28 × 8,643,074.56
  4. Step 4: Simplify right side
    25,688,318.72x = 332,805,953,105,513.69
  5. Step 5: Solve for x
    x = 332,805,953,105,513.69/25,688,318.72
  6. Step 6: Final answer
    x = 12,955,536.59

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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.