Home / 10,368,087.55-15,552,131.33-7,120,829.95

Finding the Fourth Proportional to 10,368,087.55, 15,552,131.33 and 7,120,829.95

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Solution

The fourth proportional to 10,368,087.55, 15,552,131.33 and 7,120,829.95 is: 10,681,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,087.55 : 15,552,131.33 = 7,120,829.95 : x
  2. Step 2: Convert to fraction form
    10,368,087.55/15,552,131.33 = 7,120,829.95/x
  3. Step 3: Cross multiply
    10,368,087.55x = 15,552,131.33 × 7,120,829.95
  4. Step 4: Simplify right side
    10,368,087.55x = 110,744,082,560,997.34
  5. Step 5: Solve for x
    x = 110,744,082,560,997.34/10,368,087.55
  6. Step 6: Final answer
    x = 10,681,244.93

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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.