Home / 18,930,367.24-28,384,176.84-7,402,100.56

Finding the Fourth Proportional to 18,930,367.24, 28,384,176.84 and 7,402,100.56

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Solution

The fourth proportional to 18,930,367.24, 28,384,176.84 and 7,402,100.56 is: 11,098,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,367.24 : 28,384,176.84 = 7,402,100.56 : x
  2. Step 2: Convert to fraction form
    18,930,367.24/28,384,176.84 = 7,402,100.56/x
  3. Step 3: Cross multiply
    18,930,367.24x = 28,384,176.84 × 7,402,100.56
  4. Step 4: Simplify right side
    18,930,367.24x = 210,102,531,282,503.03
  5. Step 5: Solve for x
    x = 210,102,531,282,503.03/18,930,367.24
  6. Step 6: Final answer
    x = 11,098,703.40

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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.