Home / 6,369,129.20-9,553,693.80-5,109,417.20

Finding the Fourth Proportional to 6,369,129.20, 9,553,693.80 and 5,109,417.20

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Solution

The fourth proportional to 6,369,129.20, 9,553,693.80 and 5,109,417.20 is: 7,664,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,129.20 : 9,553,693.80 = 5,109,417.20 : x
  2. Step 2: Convert to fraction form
    6,369,129.20/9,553,693.80 = 5,109,417.20/x
  3. Step 3: Cross multiply
    6,369,129.20x = 9,553,693.80 × 5,109,417.20
  4. Step 4: Simplify right side
    6,369,129.20x = 48,813,807,425,253.37
  5. Step 5: Solve for x
    x = 48,813,807,425,253.37/6,369,129.20
  6. Step 6: Final answer
    x = 7,664,125.80

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Similar ratio
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1.5x scale

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.