Home / 18,888,846.90-28,286,031.15-15,109,710.90

Finding the Fourth Proportional to 18,888,846.90, 28,286,031.15 and 15,109,710.90

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Solution

The fourth proportional to 18,888,846.90, 28,286,031.15 and 15,109,710.90 is: 22,626,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,846.90 : 28,286,031.15 = 15,109,710.90 : x
  2. Step 2: Convert to fraction form
    18,888,846.90/28,286,031.15 = 15,109,710.90/x
  3. Step 3: Cross multiply
    18,888,846.90x = 28,286,031.15 × 15,109,710.90
  4. Step 4: Simplify right side
    18,888,846.90x = 427,393,753,184,894.50
  5. Step 5: Solve for x
    x = 427,393,753,184,894.50/18,888,846.90
  6. Step 6: Final answer
    x = 22,626,778.41

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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.