Home / 34,002,006.40-51,003,009.60-20,397,116.80

Finding the Fourth Proportional to 34,002,006.40, 51,003,009.60 and 20,397,116.80

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Solution

The fourth proportional to 34,002,006.40, 51,003,009.60 and 20,397,116.80 is: 30,595,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002,006.40 : 51,003,009.60 = 20,397,116.80 : x
  2. Step 2: Convert to fraction form
    34,002,006.40/51,003,009.60 = 20,397,116.80/x
  3. Step 3: Cross multiply
    34,002,006.40x = 51,003,009.60 × 20,397,116.80
  4. Step 4: Simplify right side
    34,002,006.40x = 1,040,314,343,962,721.38
  5. Step 5: Solve for x
    x = 1,040,314,343,962,721.38/34,002,006.40
  6. Step 6: Final answer
    x = 30,595,675.20

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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.