Home / 12,687,359.67-17,500,590.54-7,527,066.75

Finding the Fourth Proportional to 12,687,359.67, 17,500,590.54 and 7,527,066.75

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Solution

The fourth proportional to 12,687,359.67, 17,500,590.54 and 7,527,066.75 is: 10,382,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,359.67 : 17,500,590.54 = 7,527,066.75 : x
  2. Step 2: Convert to fraction form
    12,687,359.67/17,500,590.54 = 7,527,066.75/x
  3. Step 3: Cross multiply
    12,687,359.67x = 17,500,590.54 × 7,527,066.75
  4. Step 4: Simplify right side
    12,687,359.67x = 131,728,113,158,998.53
  5. Step 5: Solve for x
    x = 131,728,113,158,998.53/12,687,359.67
  6. Step 6: Final answer
    x = 10,382,626.22

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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.