Home / 13,606,664.10-20,382,002.55-6,878,868.90

Finding the Fourth Proportional to 13,606,664.10, 20,382,002.55 and 6,878,868.90

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Solution

The fourth proportional to 13,606,664.10, 20,382,002.55 and 6,878,868.90 is: 10,304,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,664.10 : 20,382,002.55 = 6,878,868.90 : x
  2. Step 2: Convert to fraction form
    13,606,664.10/20,382,002.55 = 6,878,868.90/x
  3. Step 3: Cross multiply
    13,606,664.10x = 20,382,002.55 × 6,878,868.90
  4. Step 4: Simplify right side
    13,606,664.10x = 140,205,123,460,915.70
  5. Step 5: Solve for x
    x = 140,205,123,460,915.70/13,606,664.10
  6. Step 6: Final answer
    x = 10,304,151.14

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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.