Home / 12,563,974.80-18,845,962.20-8,259,302.70

Finding the Fourth Proportional to 12,563,974.80, 18,845,962.20 and 8,259,302.70

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Solution

The fourth proportional to 12,563,974.80, 18,845,962.20 and 8,259,302.70 is: 12,388,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,974.80 : 18,845,962.20 = 8,259,302.70 : x
  2. Step 2: Convert to fraction form
    12,563,974.80/18,845,962.20 = 8,259,302.70/x
  3. Step 3: Cross multiply
    12,563,974.80x = 18,845,962.20 × 8,259,302.70
  4. Step 4: Simplify right side
    12,563,974.80x = 155,654,506,482,557.94
  5. Step 5: Solve for x
    x = 155,654,506,482,557.94/12,563,974.80
  6. Step 6: Final answer
    x = 12,388,954.05

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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.