Home / 13,099,288.20-19,648,932.30-6,721,996.20

Finding the Fourth Proportional to 13,099,288.20, 19,648,932.30 and 6,721,996.20

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Solution

The fourth proportional to 13,099,288.20, 19,648,932.30 and 6,721,996.20 is: 10,082,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,288.20 : 19,648,932.30 = 6,721,996.20 : x
  2. Step 2: Convert to fraction form
    13,099,288.20/19,648,932.30 = 6,721,996.20/x
  3. Step 3: Cross multiply
    13,099,288.20x = 19,648,932.30 × 6,721,996.20
  4. Step 4: Simplify right side
    13,099,288.20x = 132,080,048,254,657.27
  5. Step 5: Solve for x
    x = 132,080,048,254,657.27/13,099,288.20
  6. Step 6: Final answer
    x = 10,082,994.30

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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.