Home / 6,120,909.20-9,181,363.80-5,176,125.20

Finding the Fourth Proportional to 6,120,909.20, 9,181,363.80 and 5,176,125.20

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Solution

The fourth proportional to 6,120,909.20, 9,181,363.80 and 5,176,125.20 is: 7,764,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,909.20 : 9,181,363.80 = 5,176,125.20 : x
  2. Step 2: Convert to fraction form
    6,120,909.20/9,181,363.80 = 5,176,125.20/x
  3. Step 3: Cross multiply
    6,120,909.20x = 9,181,363.80 × 5,176,125.20
  4. Step 4: Simplify right side
    6,120,909.20x = 47,523,888,535,547.77
  5. Step 5: Solve for x
    x = 47,523,888,535,547.77/6,120,909.20
  6. Step 6: Final answer
    x = 7,764,187.80

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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.