Home / 12,820,200.90-19,230,301.35-3,844,752.90

Finding the Fourth Proportional to 12,820,200.90, 19,230,301.35 and 3,844,752.90

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Solution

The fourth proportional to 12,820,200.90, 19,230,301.35 and 3,844,752.90 is: 5,767,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,200.90 : 19,230,301.35 = 3,844,752.90 : x
  2. Step 2: Convert to fraction form
    12,820,200.90/19,230,301.35 = 3,844,752.90/x
  3. Step 3: Cross multiply
    12,820,200.90x = 19,230,301.35 × 3,844,752.90
  4. Step 4: Simplify right side
    12,820,200.90x = 73,935,756,883,286.42
  5. Step 5: Solve for x
    x = 73,935,756,883,286.42/12,820,200.90
  6. Step 6: Final answer
    x = 5,767,129.35

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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.