Home / 21,442,355.40-32,151,723.30-8,648,405.40

Finding the Fourth Proportional to 21,442,355.40, 32,151,723.30 and 8,648,405.40

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Solution

The fourth proportional to 21,442,355.40, 32,151,723.30 and 8,648,405.40 is: 12,967,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,355.40 : 32,151,723.30 = 8,648,405.40 : x
  2. Step 2: Convert to fraction form
    21,442,355.40/32,151,723.30 = 8,648,405.40/x
  3. Step 3: Cross multiply
    21,442,355.40x = 32,151,723.30 × 8,648,405.40
  4. Step 4: Simplify right side
    21,442,355.40x = 278,061,137,407,025.84
  5. Step 5: Solve for x
    x = 278,061,137,407,025.84/21,442,355.40
  6. Step 6: Final answer
    x = 12,967,844.82

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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.