Home / 8,547,184.80-12,820,728.24-2,157,410.88

Finding the Fourth Proportional to 8,547,184.80, 12,820,728.24 and 2,157,410.88

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Solution

The fourth proportional to 8,547,184.80, 12,820,728.24 and 2,157,410.88 is: 3,236,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,184.80 : 12,820,728.24 = 2,157,410.88 : x
  2. Step 2: Convert to fraction form
    8,547,184.80/12,820,728.24 = 2,157,410.88/x
  3. Step 3: Cross multiply
    8,547,184.80x = 12,820,728.24 × 2,157,410.88
  4. Step 4: Simplify right side
    8,547,184.80x = 27,659,578,594,499.25
  5. Step 5: Solve for x
    x = 27,659,578,594,499.25/8,547,184.80
  6. Step 6: Final answer
    x = 3,236,103.96

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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.