Home / 12,794,526.82-17,656,421.41-7,287,899.57

Finding the Fourth Proportional to 12,794,526.82, 17,656,421.41 and 7,287,899.57

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Solution

The fourth proportional to 12,794,526.82, 17,656,421.41 and 7,287,899.57 is: 10,057,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,526.82 : 17,656,421.41 = 7,287,899.57 : x
  2. Step 2: Convert to fraction form
    12,794,526.82/17,656,421.41 = 7,287,899.57/x
  3. Step 3: Cross multiply
    12,794,526.82x = 17,656,421.41 × 7,287,899.57
  4. Step 4: Simplify right side
    12,794,526.82x = 128,678,225,988,717.12
  5. Step 5: Solve for x
    x = 128,678,225,988,717.12/12,794,526.82
  6. Step 6: Final answer
    x = 10,057,286.82

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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.