Home / 9,680,187.67-13,358,178.47-5,329,180.55

Finding the Fourth Proportional to 9,680,187.67, 13,358,178.47 and 5,329,180.55

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Solution

The fourth proportional to 9,680,187.67, 13,358,178.47 and 5,329,180.55 is: 7,354,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,187.67 : 13,358,178.47 = 5,329,180.55 : x
  2. Step 2: Convert to fraction form
    9,680,187.67/13,358,178.47 = 5,329,180.55/x
  3. Step 3: Cross multiply
    9,680,187.67x = 13,358,178.47 × 5,329,180.55
  4. Step 4: Simplify right side
    9,680,187.67x = 71,188,144,938,163.75
  5. Step 5: Solve for x
    x = 71,188,144,938,163.75/9,680,187.67
  6. Step 6: Final answer
    x = 7,354,004.63

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1.5x scale

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.