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Finding the Fourth Proportional to 20,162,652.10, 30,243,978.15 and 14,493,948.10

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Solution

The fourth proportional to 20,162,652.10, 30,243,978.15 and 14,493,948.10 is: 21,740,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,652.10 : 30,243,978.15 = 14,493,948.10 : x
  2. Step 2: Convert to fraction form
    20,162,652.10/30,243,978.15 = 14,493,948.10/x
  3. Step 3: Cross multiply
    20,162,652.10x = 30,243,978.15 × 14,493,948.10
  4. Step 4: Simplify right side
    20,162,652.10x = 438,354,649,643,634
  5. Step 5: Solve for x
    x = 438,354,649,643,634/20,162,652.10
  6. Step 6: Final answer
    x = 21,740,922.15

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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.