Home / 13,557,728.24-20,334,347.91-4,459,939.46

Finding the Fourth Proportional to 13,557,728.24, 20,334,347.91 and 4,459,939.46

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Solution

The fourth proportional to 13,557,728.24, 20,334,347.91 and 4,459,939.46 is: 6,689,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,728.24 : 20,334,347.91 = 4,459,939.46 : x
  2. Step 2: Convert to fraction form
    13,557,728.24/20,334,347.91 = 4,459,939.46/x
  3. Step 3: Cross multiply
    13,557,728.24x = 20,334,347.91 × 4,459,939.46
  4. Step 4: Simplify right side
    13,557,728.24x = 90,689,960,535,505.80
  5. Step 5: Solve for x
    x = 90,689,960,535,505.80/13,557,728.24
  6. Step 6: Final answer
    x = 6,689,170.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.