Home / 10,890,748.80-16,336,123.20-2,912,572.80

Finding the Fourth Proportional to 10,890,748.80, 16,336,123.20 and 2,912,572.80

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Solution

The fourth proportional to 10,890,748.80, 16,336,123.20 and 2,912,572.80 is: 4,368,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,748.80 : 16,336,123.20 = 2,912,572.80 : x
  2. Step 2: Convert to fraction form
    10,890,748.80/16,336,123.20 = 2,912,572.80/x
  3. Step 3: Cross multiply
    10,890,748.80x = 16,336,123.20 × 2,912,572.80
  4. Step 4: Simplify right side
    10,890,748.80x = 47,580,148,089,768.95
  5. Step 5: Solve for x
    x = 47,580,148,089,768.95/10,890,748.80
  6. Step 6: Final answer
    x = 4,368,859.20

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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.