Home / 9,767,976.75-13,479,807.92-5,417,729.19

Finding the Fourth Proportional to 9,767,976.75, 13,479,807.92 and 5,417,729.19

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Solution

The fourth proportional to 9,767,976.75, 13,479,807.92 and 5,417,729.19 is: 7,476,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767,976.75 : 13,479,807.92 = 5,417,729.19 : x
  2. Step 2: Convert to fraction form
    9,767,976.75/13,479,807.92 = 5,417,729.19/x
  3. Step 3: Cross multiply
    9,767,976.75x = 13,479,807.92 × 5,417,729.19
  4. Step 4: Simplify right side
    9,767,976.75x = 73,029,948,816,688.55
  5. Step 5: Solve for x
    x = 73,029,948,816,688.55/9,767,976.75
  6. Step 6: Final answer
    x = 7,476,466.28

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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.