Home / 12,721,406.33-17,555,527.46-6,920,174.24

Finding the Fourth Proportional to 12,721,406.33, 17,555,527.46 and 6,920,174.24

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Solution

The fourth proportional to 12,721,406.33, 17,555,527.46 and 6,920,174.24 is: 9,549,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721,406.33 : 17,555,527.46 = 6,920,174.24 : x
  2. Step 2: Convert to fraction form
    12,721,406.33/17,555,527.46 = 6,920,174.24/x
  3. Step 3: Cross multiply
    12,721,406.33x = 17,555,527.46 × 6,920,174.24
  4. Step 4: Simplify right side
    12,721,406.33x = 121,487,308,775,926.11
  5. Step 5: Solve for x
    x = 121,487,308,775,926.11/12,721,406.33
  6. Step 6: Final answer
    x = 9,549,833.22

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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.