Home / 8,121,119.04-12,176,956.80-3,072,818.88

Finding the Fourth Proportional to 8,121,119.04, 12,176,956.80 and 3,072,818.88

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Solution

The fourth proportional to 8,121,119.04, 12,176,956.80 and 3,072,818.88 is: 4,607,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,119.04 : 12,176,956.80 = 3,072,818.88 : x
  2. Step 2: Convert to fraction form
    8,121,119.04/12,176,956.80 = 3,072,818.88/x
  3. Step 3: Cross multiply
    8,121,119.04x = 12,176,956.80 × 3,072,818.88
  4. Step 4: Simplify right side
    8,121,119.04x = 37,417,582,755,984.38
  5. Step 5: Solve for x
    x = 37,417,582,755,984.38/8,121,119.04
  6. Step 6: Final answer
    x = 4,607,441.73

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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.