Home / 22,926,821.72-31,639,012.88-12,613,323.38

Finding the Fourth Proportional to 22,926,821.72, 31,639,012.88 and 12,613,323.38

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Solution

The fourth proportional to 22,926,821.72, 31,639,012.88 and 12,613,323.38 is: 17,406,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926,821.72 : 31,639,012.88 = 12,613,323.38 : x
  2. Step 2: Convert to fraction form
    22,926,821.72/31,639,012.88 = 12,613,323.38/x
  3. Step 3: Cross multiply
    22,926,821.72x = 31,639,012.88 × 12,613,323.38
  4. Step 4: Simplify right side
    22,926,821.72x = 399,073,100,658,163.44
  5. Step 5: Solve for x
    x = 399,073,100,658,163.44/22,926,821.72
  6. Step 6: Final answer
    x = 17,406,385.66

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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.