Home / 13,986,822.36-20,983,966.98-5,012,281.56

Finding the Fourth Proportional to 13,986,822.36, 20,983,966.98 and 5,012,281.56

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Solution

The fourth proportional to 13,986,822.36, 20,983,966.98 and 5,012,281.56 is: 7,519,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,822.36 : 20,983,966.98 = 5,012,281.56 : x
  2. Step 2: Convert to fraction form
    13,986,822.36/20,983,966.98 = 5,012,281.56/x
  3. Step 3: Cross multiply
    13,986,822.36x = 20,983,966.98 × 5,012,281.56
  4. Step 4: Simplify right side
    13,986,822.36x = 105,177,550,749,502.88
  5. Step 5: Solve for x
    x = 105,177,550,749,502.88/13,986,822.36
  6. Step 6: Final answer
    x = 7,519,760.25

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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.