Home / 7,128,434.30-10,692,651.45-2,080,255.10

Finding the Fourth Proportional to 7,128,434.30, 10,692,651.45 and 2,080,255.10

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Solution

The fourth proportional to 7,128,434.30, 10,692,651.45 and 2,080,255.10 is: 3,120,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,434.30 : 10,692,651.45 = 2,080,255.10 : x
  2. Step 2: Convert to fraction form
    7,128,434.30/10,692,651.45 = 2,080,255.10/x
  3. Step 3: Cross multiply
    7,128,434.30x = 10,692,651.45 × 2,080,255.10
  4. Step 4: Simplify right side
    7,128,434.30x = 22,243,442,711,384.89
  5. Step 5: Solve for x
    x = 22,243,442,711,384.89/7,128,434.30
  6. Step 6: Final answer
    x = 3,120,382.65

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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.