Home / 18,693,604.70-28,040,407.05-16,127,870.30

Finding the Fourth Proportional to 18,693,604.70, 28,040,407.05 and 16,127,870.30

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Solution

The fourth proportional to 18,693,604.70, 28,040,407.05 and 16,127,870.30 is: 24,191,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,604.70 : 28,040,407.05 = 16,127,870.30 : x
  2. Step 2: Convert to fraction form
    18,693,604.70/28,040,407.05 = 16,127,870.30/x
  3. Step 3: Cross multiply
    18,693,604.70x = 28,040,407.05 × 16,127,870.30
  4. Step 4: Simplify right side
    18,693,604.70x = 452,232,048,061,605.62
  5. Step 5: Solve for x
    x = 452,232,048,061,605.62/18,693,604.70
  6. Step 6: Final answer
    x = 24,191,805.45

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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.