Home / 21,899,613.66-30,221,662.56-12,110,716.40

Finding the Fourth Proportional to 21,899,613.66, 30,221,662.56 and 12,110,716.40

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Solution

The fourth proportional to 21,899,613.66, 30,221,662.56 and 12,110,716.40 is: 16,712,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,613.66 : 30,221,662.56 = 12,110,716.40 : x
  2. Step 2: Convert to fraction form
    21,899,613.66/30,221,662.56 = 12,110,716.40/x
  3. Step 3: Cross multiply
    21,899,613.66x = 30,221,662.56 × 12,110,716.40
  4. Step 4: Simplify right side
    21,899,613.66x = 366,005,984,400,658
  5. Step 5: Solve for x
    x = 366,005,984,400,658/21,899,613.66
  6. Step 6: Final answer
    x = 16,712,896.86

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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.