Home / 12,794,527.20-17,656,421.94-7,287,899.97

Finding the Fourth Proportional to 12,794,527.20, 17,656,421.94 and 7,287,899.97

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Solution

The fourth proportional to 12,794,527.20, 17,656,421.94 and 7,287,899.97 is: 10,057,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,527.20 : 17,656,421.94 = 7,287,899.97 : x
  2. Step 2: Convert to fraction form
    12,794,527.20/17,656,421.94 = 7,287,899.97/x
  3. Step 3: Cross multiply
    12,794,527.20x = 17,656,421.94 × 7,287,899.97
  4. Step 4: Simplify right side
    12,794,527.20x = 128,678,236,926,833.34
  5. Step 5: Solve for x
    x = 128,678,236,926,833.34/12,794,527.20
  6. Step 6: Final answer
    x = 10,057,287.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.