Home / 20,001,031.40-30,002,859.30-5,624,568.20

Finding the Fourth Proportional to 20,001,031.40, 30,002,859.30 and 5,624,568.20

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Solution

The fourth proportional to 20,001,031.40, 30,002,859.30 and 5,624,568.20 is: 8,437,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,031.40 : 30,002,859.30 = 5,624,568.20 : x
  2. Step 2: Convert to fraction form
    20,001,031.40/30,002,859.30 = 5,624,568.20/x
  3. Step 3: Cross multiply
    20,001,031.40x = 30,002,859.30 × 5,624,568.20
  4. Step 4: Simplify right side
    20,001,031.40x = 168,753,128,327,854.28
  5. Step 5: Solve for x
    x = 168,753,128,327,854.28/20,001,031.40
  6. Step 6: Final answer
    x = 8,437,221.31

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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.