Home / 13,375,863.10-18,460,266.87-7,943,355.10

Finding the Fourth Proportional to 13,375,863.10, 18,460,266.87 and 7,943,355.10

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Solution

The fourth proportional to 13,375,863.10, 18,460,266.87 and 7,943,355.10 is: 10,962,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,863.10 : 18,460,266.87 = 7,943,355.10 : x
  2. Step 2: Convert to fraction form
    13,375,863.10/18,460,266.87 = 7,943,355.10/x
  3. Step 3: Cross multiply
    13,375,863.10x = 18,460,266.87 × 7,943,355.10
  4. Step 4: Simplify right side
    13,375,863.10x = 146,636,454,989,175.53
  5. Step 5: Solve for x
    x = 146,636,454,989,175.53/13,375,863.10
  6. Step 6: Final answer
    x = 10,962,765.83

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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.