Home / 25,080,066.80-37,620,100.20-21,253,691.60

Finding the Fourth Proportional to 25,080,066.80, 37,620,100.20 and 21,253,691.60

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Solution

The fourth proportional to 25,080,066.80, 37,620,100.20 and 21,253,691.60 is: 31,880,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080,066.80 : 37,620,100.20 = 21,253,691.60 : x
  2. Step 2: Convert to fraction form
    25,080,066.80/37,620,100.20 = 21,253,691.60/x
  3. Step 3: Cross multiply
    25,080,066.80x = 37,620,100.20 × 21,253,691.60
  4. Step 4: Simplify right side
    25,080,066.80x = 799,566,007,611,898.50
  5. Step 5: Solve for x
    x = 799,566,007,611,898.50/25,080,066.80
  6. Step 6: Final answer
    x = 31,880,537.40

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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.