Home / 7,156,780.61-9,875,619.90-4,255,610.90

Finding the Fourth Proportional to 7,156,780.61, 9,875,619.90 and 4,255,610.90

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Solution

The fourth proportional to 7,156,780.61, 9,875,619.90 and 4,255,610.90 is: 5,872,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,780.61 : 9,875,619.90 = 4,255,610.90 : x
  2. Step 2: Convert to fraction form
    7,156,780.61/9,875,619.90 = 4,255,610.90/x
  3. Step 3: Cross multiply
    7,156,780.61x = 9,875,619.90 × 4,255,610.90
  4. Step 4: Simplify right side
    7,156,780.61x = 42,026,795,641,318.80
  5. Step 5: Solve for x
    x = 42,026,795,641,318.80/7,156,780.61
  6. Step 6: Final answer
    x = 5,872,304.60

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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.