Home / 13,425,589.70-20,138,384.55-11,326,069.70

Finding the Fourth Proportional to 13,425,589.70, 20,138,384.55 and 11,326,069.70

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Solution

The fourth proportional to 13,425,589.70, 20,138,384.55 and 11,326,069.70 is: 16,989,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,589.70 : 20,138,384.55 = 11,326,069.70 : x
  2. Step 2: Convert to fraction form
    13,425,589.70/20,138,384.55 = 11,326,069.70/x
  3. Step 3: Cross multiply
    13,425,589.70x = 20,138,384.55 × 11,326,069.70
  4. Step 4: Simplify right side
    13,425,589.70x = 228,088,747,058,703.12
  5. Step 5: Solve for x
    x = 228,088,747,058,703.12/13,425,589.70
  6. Step 6: Final answer
    x = 16,989,104.55

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Similar ratio
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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.