Home / 26,881,321.60-40,321,982.40-16,131,779.20

Finding the Fourth Proportional to 26,881,321.60, 40,321,982.40 and 16,131,779.20

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Solution

The fourth proportional to 26,881,321.60, 40,321,982.40 and 16,131,779.20 is: 24,197,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881,321.60 : 40,321,982.40 = 16,131,779.20 : x
  2. Step 2: Convert to fraction form
    26,881,321.60/40,321,982.40 = 16,131,779.20/x
  3. Step 3: Cross multiply
    26,881,321.60x = 40,321,982.40 × 16,131,779.20
  4. Step 4: Simplify right side
    26,881,321.60x = 650,465,316,983,086
  5. Step 5: Solve for x
    x = 650,465,316,983,086/26,881,321.60
  6. Step 6: Final answer
    x = 24,197,668.80

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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.