Home / 7,253,988.12-10,010,503.53-3,990,732.75

Finding the Fourth Proportional to 7,253,988.12, 10,010,503.53 and 3,990,732.75

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Solution

The fourth proportional to 7,253,988.12, 10,010,503.53 and 3,990,732.75 is: 5,507,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,988.12 : 10,010,503.53 = 3,990,732.75 : x
  2. Step 2: Convert to fraction form
    7,253,988.12/10,010,503.53 = 3,990,732.75/x
  3. Step 3: Cross multiply
    7,253,988.12x = 10,010,503.53 × 3,990,732.75
  4. Step 4: Simplify right side
    7,253,988.12x = 39,949,244,281,161.60
  5. Step 5: Solve for x
    x = 39,949,244,281,161.60/7,253,988.12
  6. Step 6: Final answer
    x = 5,507,211.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.