Home / 7,761,047.10-11,641,570.65-7,005,219.90

Finding the Fourth Proportional to 7,761,047.10, 11,641,570.65 and 7,005,219.90

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Solution

The fourth proportional to 7,761,047.10, 11,641,570.65 and 7,005,219.90 is: 10,507,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761,047.10 : 11,641,570.65 = 7,005,219.90 : x
  2. Step 2: Convert to fraction form
    7,761,047.10/11,641,570.65 = 7,005,219.90/x
  3. Step 3: Cross multiply
    7,761,047.10x = 11,641,570.65 × 7,005,219.90
  4. Step 4: Simplify right side
    7,761,047.10x = 81,551,762,384,635.94
  5. Step 5: Solve for x
    x = 81,551,762,384,635.94/7,761,047.10
  6. Step 6: Final answer
    x = 10,507,829.85

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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.