Home / 25,079,926.80-37,619,890.20-21,253,551.60

Finding the Fourth Proportional to 25,079,926.80, 37,619,890.20 and 21,253,551.60

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Solution

The fourth proportional to 25,079,926.80, 37,619,890.20 and 21,253,551.60 is: 31,880,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,079,926.80 : 37,619,890.20 = 21,253,551.60 : x
  2. Step 2: Convert to fraction form
    25,079,926.80/37,619,890.20 = 21,253,551.60/x
  3. Step 3: Cross multiply
    25,079,926.80x = 37,619,890.20 × 21,253,551.60
  4. Step 4: Simplify right side
    25,079,926.80x = 799,556,277,552,034.50
  5. Step 5: Solve for x
    x = 799,556,277,552,034.50/25,079,926.80
  6. Step 6: Final answer
    x = 31,880,327.40

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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.