Home / 20,587,082.40-30,859,628.40-12,063,031.20

Finding the Fourth Proportional to 20,587,082.40, 30,859,628.40 and 12,063,031.20

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Solution

The fourth proportional to 20,587,082.40, 30,859,628.40 and 12,063,031.20 is: 18,082,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,082.40 : 30,859,628.40 = 12,063,031.20 : x
  2. Step 2: Convert to fraction form
    20,587,082.40/30,859,628.40 = 12,063,031.20/x
  3. Step 3: Cross multiply
    20,587,082.40x = 30,859,628.40 × 12,063,031.20
  4. Step 4: Simplify right side
    20,587,082.40x = 372,260,660,209,606.06
  5. Step 5: Solve for x
    x = 372,260,660,209,606.06/20,587,082.40
  6. Step 6: Final answer
    x = 18,082,244.63

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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.