Home / 25,688,285.46-38,505,455.07-8,643,040.74

Finding the Fourth Proportional to 25,688,285.46, 38,505,455.07 and 8,643,040.74

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Solution

The fourth proportional to 25,688,285.46, 38,505,455.07 and 8,643,040.74 is: 12,955,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688,285.46 : 38,505,455.07 = 8,643,040.74 : x
  2. Step 2: Convert to fraction form
    25,688,285.46/38,505,455.07 = 8,643,040.74/x
  3. Step 3: Cross multiply
    25,688,285.46x = 38,505,455.07 × 8,643,040.74
  4. Step 4: Simplify right side
    25,688,285.46x = 332,804,216,882,249.56
  5. Step 5: Solve for x
    x = 332,804,216,882,249.56/25,688,285.46
  6. Step 6: Final answer
    x = 12,955,485.78

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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.