Home / 28,597,855.11-42,860,879.65-15,466,749.55

Finding the Fourth Proportional to 28,597,855.11, 42,860,879.65 and 15,466,749.55

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Solution

The fourth proportional to 28,597,855.11, 42,860,879.65 and 15,466,749.55 is: 23,180,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597,855.11 : 42,860,879.65 = 15,466,749.55 : x
  2. Step 2: Convert to fraction form
    28,597,855.11/42,860,879.65 = 15,466,749.55/x
  3. Step 3: Cross multiply
    28,597,855.11x = 42,860,879.65 × 15,466,749.55
  4. Step 4: Simplify right side
    28,597,855.11x = 662,918,490,982,438.38
  5. Step 5: Solve for x
    x = 662,918,490,982,438.38/28,597,855.11
  6. Step 6: Final answer
    x = 23,180,706.68

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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.