Home / 7,761,046.10-11,641,569.15-7,005,218.90

Finding the Fourth Proportional to 7,761,046.10, 11,641,569.15 and 7,005,218.90

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Solution

The fourth proportional to 7,761,046.10, 11,641,569.15 and 7,005,218.90 is: 10,507,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761,046.10 : 11,641,569.15 = 7,005,218.90 : x
  2. Step 2: Convert to fraction form
    7,761,046.10/11,641,569.15 = 7,005,218.90/x
  3. Step 3: Cross multiply
    7,761,046.10x = 11,641,569.15 × 7,005,218.90
  4. Step 4: Simplify right side
    7,761,046.10x = 81,551,740,235,236.94
  5. Step 5: Solve for x
    x = 81,551,740,235,236.94/7,761,046.10
  6. Step 6: Final answer
    x = 10,507,828.35

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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.