Home / 13,452,816.33-18,565,474.40-7,572,829.61

Finding the Fourth Proportional to 13,452,816.33, 18,565,474.40 and 7,572,829.61

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Solution

The fourth proportional to 13,452,816.33, 18,565,474.40 and 7,572,829.61 is: 10,450,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,816.33 : 18,565,474.40 = 7,572,829.61 : x
  2. Step 2: Convert to fraction form
    13,452,816.33/18,565,474.40 = 7,572,829.61/x
  3. Step 3: Cross multiply
    13,452,816.33x = 18,565,474.40 × 7,572,829.61
  4. Step 4: Simplify right side
    13,452,816.33x = 140,593,174,129,325.47
  5. Step 5: Solve for x
    x = 140,593,174,129,325.47/13,452,816.33
  6. Step 6: Final answer
    x = 10,450,835.77

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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.