Home / 13,986,779.28-20,983,902.48-5,012,238.48

Finding the Fourth Proportional to 13,986,779.28, 20,983,902.48 and 5,012,238.48

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Solution

The fourth proportional to 13,986,779.28, 20,983,902.48 and 5,012,238.48 is: 7,519,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,779.28 : 20,983,902.48 = 5,012,238.48 : x
  2. Step 2: Convert to fraction form
    13,986,779.28/20,983,902.48 = 5,012,238.48/x
  3. Step 3: Cross multiply
    13,986,779.28x = 20,983,902.48 × 5,012,238.48
  4. Step 4: Simplify right side
    13,986,779.28x = 105,176,323,470,823.44
  5. Step 5: Solve for x
    x = 105,176,323,470,823.44/13,986,779.28
  6. Step 6: Final answer
    x = 7,519,695.66

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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.