Home / 26,001,142.40-39,001,713.60-21,820,764.80

Finding the Fourth Proportional to 26,001,142.40, 39,001,713.60 and 21,820,764.80

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Solution

The fourth proportional to 26,001,142.40, 39,001,713.60 and 21,820,764.80 is: 32,731,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001,142.40 : 39,001,713.60 = 21,820,764.80 : x
  2. Step 2: Convert to fraction form
    26,001,142.40/39,001,713.60 = 21,820,764.80/x
  3. Step 3: Cross multiply
    26,001,142.40x = 39,001,713.60 × 21,820,764.80
  4. Step 4: Simplify right side
    26,001,142.40x = 851,047,219,262,561.38
  5. Step 5: Solve for x
    x = 851,047,219,262,561.38/26,001,142.40
  6. Step 6: Final answer
    x = 32,731,147.20

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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.