Home / 13,521,534.49-18,659,734.00-7,326,576.31

Finding the Fourth Proportional to 13,521,534.49, 18,659,734.00 and 7,326,576.31

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Solution

The fourth proportional to 13,521,534.49, 18,659,734.00 and 7,326,576.31 is: 10,110,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,534.49 : 18,659,734.00 = 7,326,576.31 : x
  2. Step 2: Convert to fraction form
    13,521,534.49/18,659,734.00 = 7,326,576.31/x
  3. Step 3: Cross multiply
    13,521,534.49x = 18,659,734.00 × 7,326,576.31
  4. Step 4: Simplify right side
    13,521,534.49x = 136,711,965,080,309.77
  5. Step 5: Solve for x
    x = 136,711,965,080,309.77/13,521,534.49
  6. Step 6: Final answer
    x = 10,110,684.20

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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.