Home / 8,486,641.80-12,729,962.70-3,435,352.20

Finding the Fourth Proportional to 8,486,641.80, 12,729,962.70 and 3,435,352.20

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Solution

The fourth proportional to 8,486,641.80, 12,729,962.70 and 3,435,352.20 is: 5,153,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486,641.80 : 12,729,962.70 = 3,435,352.20 : x
  2. Step 2: Convert to fraction form
    8,486,641.80/12,729,962.70 = 3,435,352.20/x
  3. Step 3: Cross multiply
    8,486,641.80x = 12,729,962.70 × 3,435,352.20
  4. Step 4: Simplify right side
    8,486,641.80x = 43,731,905,367,362.94
  5. Step 5: Solve for x
    x = 43,731,905,367,362.94/8,486,641.80
  6. Step 6: Final answer
    x = 5,153,028.30

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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.