Home / 21,376,233.60-32,064,350.40-18,722,025.60

Finding the Fourth Proportional to 21,376,233.60, 32,064,350.40 and 18,722,025.60

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Solution

The fourth proportional to 21,376,233.60, 32,064,350.40 and 18,722,025.60 is: 28,083,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,233.60 : 32,064,350.40 = 18,722,025.60 : x
  2. Step 2: Convert to fraction form
    21,376,233.60/32,064,350.40 = 18,722,025.60/x
  3. Step 3: Cross multiply
    21,376,233.60x = 32,064,350.40 × 18,722,025.60
  4. Step 4: Simplify right side
    21,376,233.60x = 600,309,589,036,170.25
  5. Step 5: Solve for x
    x = 600,309,589,036,170.25/21,376,233.60
  6. Step 6: Final answer
    x = 28,083,038.40

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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.