Home / 13,435,435.80-20,149,249.38-5,236,253.19

Finding the Fourth Proportional to 13,435,435.80, 20,149,249.38 and 5,236,253.19

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Solution

The fourth proportional to 13,435,435.80, 20,149,249.38 and 5,236,253.19 is: 7,852,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,435.80 : 20,149,249.38 = 5,236,253.19 : x
  2. Step 2: Convert to fraction form
    13,435,435.80/20,149,249.38 = 5,236,253.19/x
  3. Step 3: Cross multiply
    13,435,435.80x = 20,149,249.38 × 5,236,253.19
  4. Step 4: Simplify right side
    13,435,435.80x = 105,506,571,342,130.53
  5. Step 5: Solve for x
    x = 105,506,571,342,130.53/13,435,435.80
  6. Step 6: Final answer
    x = 7,852,858.14

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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.