Home / 20,227,919.30-30,352,376.55-8,869,516.10

Finding the Fourth Proportional to 20,227,919.30, 30,352,376.55 and 8,869,516.10

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Solution

The fourth proportional to 20,227,919.30, 30,352,376.55 and 8,869,516.10 is: 13,308,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,919.30 : 30,352,376.55 = 8,869,516.10 : x
  2. Step 2: Convert to fraction form
    20,227,919.30/30,352,376.55 = 8,869,516.10/x
  3. Step 3: Cross multiply
    20,227,919.30x = 30,352,376.55 × 8,869,516.10
  4. Step 4: Simplify right side
    20,227,919.30x = 269,210,892,483,487.44
  5. Step 5: Solve for x
    x = 269,210,892,483,487.44/20,227,919.30
  6. Step 6: Final answer
    x = 13,308,877.13

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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.