Home / 13,655,671.26-20,486,557.38-5,136,081.54

Finding the Fourth Proportional to 13,655,671.26, 20,486,557.38 and 5,136,081.54

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Solution

The fourth proportional to 13,655,671.26, 20,486,557.38 and 5,136,081.54 is: 7,705,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,671.26 : 20,486,557.38 = 5,136,081.54 : x
  2. Step 2: Convert to fraction form
    13,655,671.26/20,486,557.38 = 5,136,081.54/x
  3. Step 3: Cross multiply
    13,655,671.26x = 20,486,557.38 × 5,136,081.54
  4. Step 4: Simplify right side
    13,655,671.26x = 105,220,629,177,568.77
  5. Step 5: Solve for x
    x = 105,220,629,177,568.77/13,655,671.26
  6. Step 6: Final answer
    x = 7,705,269.64

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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.