Home / 13,655,673.28-20,486,560.36-5,136,083.56

Finding the Fourth Proportional to 13,655,673.28, 20,486,560.36 and 5,136,083.56

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Solution

The fourth proportional to 13,655,673.28, 20,486,560.36 and 5,136,083.56 is: 7,705,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,673.28 : 20,486,560.36 = 5,136,083.56 : x
  2. Step 2: Convert to fraction form
    13,655,673.28/20,486,560.36 = 5,136,083.56/x
  3. Step 3: Cross multiply
    13,655,673.28x = 20,486,560.36 × 5,136,083.56
  4. Step 4: Simplify right side
    13,655,673.28x = 105,220,685,865,943.67
  5. Step 5: Solve for x
    x = 105,220,685,865,943.67/13,655,673.28
  6. Step 6: Final answer
    x = 7,705,272.65

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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.