Home / 22,217,309.01-30,662,195.49-12,798,424.89

Finding the Fourth Proportional to 22,217,309.01, 30,662,195.49 and 12,798,424.89

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Solution

The fourth proportional to 22,217,309.01, 30,662,195.49 and 12,798,424.89 is: 17,663,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217,309.01 : 30,662,195.49 = 12,798,424.89 : x
  2. Step 2: Convert to fraction form
    22,217,309.01/30,662,195.49 = 12,798,424.89/x
  3. Step 3: Cross multiply
    22,217,309.01x = 30,662,195.49 × 12,798,424.89
  4. Step 4: Simplify right side
    22,217,309.01x = 392,427,805,941,261.75
  5. Step 5: Solve for x
    x = 392,427,805,941,261.75/22,217,309.01
  6. Step 6: Final answer
    x = 17,663,156.49

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Double scale
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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.