Home / 13,443,623.10-20,165,434.65-11,081,663.10

Finding the Fourth Proportional to 13,443,623.10, 20,165,434.65 and 11,081,663.10

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Solution

The fourth proportional to 13,443,623.10, 20,165,434.65 and 11,081,663.10 is: 16,622,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,623.10 : 20,165,434.65 = 11,081,663.10 : x
  2. Step 2: Convert to fraction form
    13,443,623.10/20,165,434.65 = 11,081,663.10/x
  3. Step 3: Cross multiply
    13,443,623.10x = 20,165,434.65 × 11,081,663.10
  4. Step 4: Simplify right side
    13,443,623.10x = 223,466,553,056,366.41
  5. Step 5: Solve for x
    x = 223,466,553,056,366.41/13,443,623.10
  6. Step 6: Final answer
    x = 16,622,494.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.