Home / 19,109,563.50-28,676,677.11-6,978,011.25

Finding the Fourth Proportional to 19,109,563.50, 28,676,677.11 and 6,978,011.25

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Solution

The fourth proportional to 19,109,563.50, 28,676,677.11 and 6,978,011.25 is: 10,471,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109,563.50 : 28,676,677.11 = 6,978,011.25 : x
  2. Step 2: Convert to fraction form
    19,109,563.50/28,676,677.11 = 6,978,011.25/x
  3. Step 3: Cross multiply
    19,109,563.50x = 28,676,677.11 × 6,978,011.25
  4. Step 4: Simplify right side
    19,109,563.50x = 200,106,175,486,197.47
  5. Step 5: Solve for x
    x = 200,106,175,486,197.47/19,109,563.50
  6. Step 6: Final answer
    x = 10,471,519.95

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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.