Home / 8,049,005.20-12,073,507.80-7,387,656.40

Finding the Fourth Proportional to 8,049,005.20, 12,073,507.80 and 7,387,656.40

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Solution

The fourth proportional to 8,049,005.20, 12,073,507.80 and 7,387,656.40 is: 11,081,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049,005.20 : 12,073,507.80 = 7,387,656.40 : x
  2. Step 2: Convert to fraction form
    8,049,005.20/12,073,507.80 = 7,387,656.40/x
  3. Step 3: Cross multiply
    8,049,005.20x = 12,073,507.80 × 7,387,656.40
  4. Step 4: Simplify right side
    8,049,005.20x = 89,194,927,169,119.94
  5. Step 5: Solve for x
    x = 89,194,927,169,119.94/8,049,005.20
  6. Step 6: Final answer
    x = 11,081,484.60

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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.