Home / 13,099,282.20-19,648,923.30-6,721,990.20

Finding the Fourth Proportional to 13,099,282.20, 19,648,923.30 and 6,721,990.20

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Solution

The fourth proportional to 13,099,282.20, 19,648,923.30 and 6,721,990.20 is: 10,082,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,282.20 : 19,648,923.30 = 6,721,990.20 : x
  2. Step 2: Convert to fraction form
    13,099,282.20/19,648,923.30 = 6,721,990.20/x
  3. Step 3: Cross multiply
    13,099,282.20x = 19,648,923.30 × 6,721,990.20
  4. Step 4: Simplify right side
    13,099,282.20x = 132,079,869,863,151.67
  5. Step 5: Solve for x
    x = 132,079,869,863,151.67/13,099,282.20
  6. Step 6: Final answer
    x = 10,082,985.30

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Double scale
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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.