Home / 13,110,725.80-18,092,877.42-7,309,868.68

Finding the Fourth Proportional to 13,110,725.80, 18,092,877.42 and 7,309,868.68

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Solution

The fourth proportional to 13,110,725.80, 18,092,877.42 and 7,309,868.68 is: 10,087,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,725.80 : 18,092,877.42 = 7,309,868.68 : x
  2. Step 2: Convert to fraction form
    13,110,725.80/18,092,877.42 = 7,309,868.68/x
  3. Step 3: Cross multiply
    13,110,725.80x = 18,092,877.42 × 7,309,868.68
  4. Step 4: Simplify right side
    13,110,725.80x = 132,256,557,983,537.22
  5. Step 5: Solve for x
    x = 132,256,557,983,537.22/13,110,725.80
  6. Step 6: Final answer
    x = 10,087,661.05

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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.