Home / 7,272,013.80-10,908,020.70-2,479,276.20

Finding the Fourth Proportional to 7,272,013.80, 10,908,020.70 and 2,479,276.20

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Solution

The fourth proportional to 7,272,013.80, 10,908,020.70 and 2,479,276.20 is: 3,718,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,013.80 : 10,908,020.70 = 2,479,276.20 : x
  2. Step 2: Convert to fraction form
    7,272,013.80/10,908,020.70 = 2,479,276.20/x
  3. Step 3: Cross multiply
    7,272,013.80x = 10,908,020.70 × 2,479,276.20
  4. Step 4: Simplify right side
    7,272,013.80x = 27,043,996,110,617.34
  5. Step 5: Solve for x
    x = 27,043,996,110,617.34/7,272,013.80
  6. Step 6: Final answer
    x = 3,718,914.30

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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.