Home / 9,669,077.06-13,343,338.59-5,318,171.78

Finding the Fourth Proportional to 9,669,077.06, 13,343,338.59 and 5,318,171.78

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Solution

The fourth proportional to 9,669,077.06, 13,343,338.59 and 5,318,171.78 is: 7,339,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,077.06 : 13,343,338.59 = 5,318,171.78 : x
  2. Step 2: Convert to fraction form
    9,669,077.06/13,343,338.59 = 5,318,171.78/x
  3. Step 3: Cross multiply
    9,669,077.06x = 13,343,338.59 × 5,318,171.78
  4. Step 4: Simplify right side
    9,669,077.06x = 70,962,166,740,323
  5. Step 5: Solve for x
    x = 70,962,166,740,323/9,669,077.06
  6. Step 6: Final answer
    x = 7,339,083.79

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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.