Home / 7,156,964.80-10,731,769.80-2,107,619.20

Finding the Fourth Proportional to 7,156,964.80, 10,731,769.80 and 2,107,619.20

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Solution

The fourth proportional to 7,156,964.80, 10,731,769.80 and 2,107,619.20 is: 3,160,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,964.80 : 10,731,769.80 = 2,107,619.20 : x
  2. Step 2: Convert to fraction form
    7,156,964.80/10,731,769.80 = 2,107,619.20/x
  3. Step 3: Cross multiply
    7,156,964.80x = 10,731,769.80 × 2,107,619.20
  4. Step 4: Simplify right side
    7,156,964.80x = 22,618,484,080,460.16
  5. Step 5: Solve for x
    x = 22,618,484,080,460.16/7,156,964.80
  6. Step 6: Final answer
    x = 3,160,345.86

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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.