Home / 22,217,308.01-30,662,194.11-12,798,423.89

Finding the Fourth Proportional to 22,217,308.01, 30,662,194.11 and 12,798,423.89

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Solution

The fourth proportional to 22,217,308.01, 30,662,194.11 and 12,798,423.89 is: 17,663,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217,308.01 : 30,662,194.11 = 12,798,423.89 : x
  2. Step 2: Convert to fraction form
    22,217,308.01/30,662,194.11 = 12,798,423.89/x
  3. Step 3: Cross multiply
    22,217,308.01x = 30,662,194.11 × 12,798,423.89
  4. Step 4: Simplify right side
    22,217,308.01x = 392,427,757,617,241.31
  5. Step 5: Solve for x
    x = 392,427,757,617,241.31/22,217,308.01
  6. Step 6: Final answer
    x = 17,663,155.11

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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.