Home / 13,366,331.10-18,442,374.12-7,565,113

Finding the Fourth Proportional to 13,366,331.10, 18,442,374.12 and 7,565,113

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Solution

The fourth proportional to 13,366,331.10, 18,442,374.12 and 7,565,113 is: 10,438,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,331.10 : 18,442,374.12 = 7,565,113 : x
  2. Step 2: Convert to fraction form
    13,366,331.10/18,442,374.12 = 7,565,113/x
  3. Step 3: Cross multiply
    13,366,331.10x = 18,442,374.12 × 7,565,113
  4. Step 4: Simplify right side
    13,366,331.10x = 139,518,644,206,075.56
  5. Step 5: Solve for x
    x = 139,518,644,206,075.56/13,366,331.10
  6. Step 6: Final answer
    x = 10,438,065.85

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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.