Home / 8,299,904.80-12,449,857.20-5,094,637.60

Finding the Fourth Proportional to 8,299,904.80, 12,449,857.20 and 5,094,637.60

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Solution

The fourth proportional to 8,299,904.80, 12,449,857.20 and 5,094,637.60 is: 7,641,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299,904.80 : 12,449,857.20 = 5,094,637.60 : x
  2. Step 2: Convert to fraction form
    8,299,904.80/12,449,857.20 = 5,094,637.60/x
  3. Step 3: Cross multiply
    8,299,904.80x = 12,449,857.20 × 5,094,637.60
  4. Step 4: Simplify right side
    8,299,904.80x = 63,427,510,605,750.71
  5. Step 5: Solve for x
    x = 63,427,510,605,750.71/8,299,904.80
  6. Step 6: Final answer
    x = 7,641,956.40

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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.