Home / 12,482,830.80-18,682,774.20-9,061,390.80

Finding the Fourth Proportional to 12,482,830.80, 18,682,774.20 and 9,061,390.80

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Solution

The fourth proportional to 12,482,830.80, 18,682,774.20 and 9,061,390.80 is: 13,561,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,830.80 : 18,682,774.20 = 9,061,390.80 : x
  2. Step 2: Convert to fraction form
    12,482,830.80/18,682,774.20 = 9,061,390.80/x
  3. Step 3: Cross multiply
    12,482,830.80x = 18,682,774.20 × 9,061,390.80
  4. Step 4: Simplify right side
    12,482,830.80x = 169,291,918,254,357.38
  5. Step 5: Solve for x
    x = 169,291,918,254,357.38/12,482,830.80
  6. Step 6: Final answer
    x = 13,561,981.33

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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.