Home / 15,482,559.12-21,366,660.78-8,607,156

Finding the Fourth Proportional to 15,482,559.12, 21,366,660.78 and 8,607,156

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Solution

The fourth proportional to 15,482,559.12, 21,366,660.78 and 8,607,156 is: 11,878,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,559.12 : 21,366,660.78 = 8,607,156 : x
  2. Step 2: Convert to fraction form
    15,482,559.12/21,366,660.78 = 8,607,156/x
  3. Step 3: Cross multiply
    15,482,559.12x = 21,366,660.78 × 8,607,156
  4. Step 4: Simplify right side
    15,482,559.12x = 183,906,182,532,541.69
  5. Step 5: Solve for x
    x = 183,906,182,532,541.69/15,482,559.12
  6. Step 6: Final answer
    x = 11,878,280.66

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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.