Home / 8,625,984.80-12,938,977.20-3,307,200.80

Finding the Fourth Proportional to 8,625,984.80, 12,938,977.20 and 3,307,200.80

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Solution

The fourth proportional to 8,625,984.80, 12,938,977.20 and 3,307,200.80 is: 4,960,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,984.80 : 12,938,977.20 = 3,307,200.80 : x
  2. Step 2: Convert to fraction form
    8,625,984.80/12,938,977.20 = 3,307,200.80/x
  3. Step 3: Cross multiply
    8,625,984.80x = 12,938,977.20 × 3,307,200.80
  4. Step 4: Simplify right side
    8,625,984.80x = 42,791,795,747,021.76
  5. Step 5: Solve for x
    x = 42,791,795,747,021.76/8,625,984.80
  6. Step 6: Final answer
    x = 4,960,801.20

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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.