Home / 13,900,427.82-20,853,652.10-5,703,088.91

Finding the Fourth Proportional to 13,900,427.82, 20,853,652.10 and 5,703,088.91

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Solution

The fourth proportional to 13,900,427.82, 20,853,652.10 and 5,703,088.91 is: 8,555,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,427.82 : 20,853,652.10 = 5,703,088.91 : x
  2. Step 2: Convert to fraction form
    13,900,427.82/20,853,652.10 = 5,703,088.91/x
  3. Step 3: Cross multiply
    13,900,427.82x = 20,853,652.10 × 5,703,088.91
  4. Step 4: Simplify right side
    13,900,427.82x = 118,930,231,891,724.50
  5. Step 5: Solve for x
    x = 118,930,231,891,724.50/13,900,427.82
  6. Step 6: Final answer
    x = 8,555,868.45

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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.