Home / 22,679,336.22-31,298,000.31-12,888,237.66

Finding the Fourth Proportional to 22,679,336.22, 31,298,000.31 and 12,888,237.66

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Solution

The fourth proportional to 22,679,336.22, 31,298,000.31 and 12,888,237.66 is: 17,786,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679,336.22 : 31,298,000.31 = 12,888,237.66 : x
  2. Step 2: Convert to fraction form
    22,679,336.22/31,298,000.31 = 12,888,237.66/x
  3. Step 3: Cross multiply
    22,679,336.22x = 31,298,000.31 × 12,888,237.66
  4. Step 4: Simplify right side
    22,679,336.22x = 403,376,066,278,033.69
  5. Step 5: Solve for x
    x = 403,376,066,278,033.69/22,679,336.22
  6. Step 6: Final answer
    x = 17,786,061.39

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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.