Home / 9,680,187.76-13,358,178.60-5,329,180.65

Finding the Fourth Proportional to 9,680,187.76, 13,358,178.60 and 5,329,180.65

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Solution

The fourth proportional to 9,680,187.76, 13,358,178.60 and 5,329,180.65 is: 7,354,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,187.76 : 13,358,178.60 = 5,329,180.65 : x
  2. Step 2: Convert to fraction form
    9,680,187.76/13,358,178.60 = 5,329,180.65/x
  3. Step 3: Cross multiply
    9,680,187.76x = 13,358,178.60 × 5,329,180.65
  4. Step 4: Simplify right side
    9,680,187.76x = 71,188,146,874,331.84
  5. Step 5: Solve for x
    x = 71,188,146,874,331.84/9,680,187.76
  6. Step 6: Final answer
    x = 7,354,004.76

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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.