Home / 13,486,581.30-20,229,871.95-13,392,102.90

Finding the Fourth Proportional to 13,486,581.30, 20,229,871.95 and 13,392,102.90

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Solution

The fourth proportional to 13,486,581.30, 20,229,871.95 and 13,392,102.90 is: 20,088,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,581.30 : 20,229,871.95 = 13,392,102.90 : x
  2. Step 2: Convert to fraction form
    13,486,581.30/20,229,871.95 = 13,392,102.90/x
  3. Step 3: Cross multiply
    13,486,581.30x = 20,229,871.95 × 13,392,102.90
  4. Step 4: Simplify right side
    13,486,581.30x = 270,920,526,808,223.66
  5. Step 5: Solve for x
    x = 270,920,526,808,223.66/13,486,581.30
  6. Step 6: Final answer
    x = 20,088,154.35

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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.