Home / 7,128,253.20-10,694,827.80-2,080,304.40

Finding the Fourth Proportional to 7,128,253.20, 10,694,827.80 and 2,080,304.40

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Solution

The fourth proportional to 7,128,253.20, 10,694,827.80 and 2,080,304.40 is: 3,121,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,253.20 : 10,694,827.80 = 2,080,304.40 : x
  2. Step 2: Convert to fraction form
    7,128,253.20/10,694,827.80 = 2,080,304.40/x
  3. Step 3: Cross multiply
    7,128,253.20x = 10,694,827.80 × 2,080,304.40
  4. Step 4: Simplify right side
    7,128,253.20x = 22,248,497,329,582.32
  5. Step 5: Solve for x
    x = 22,248,497,329,582.32/7,128,253.20
  6. Step 6: Final answer
    x = 3,121,171.02

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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.