Home / 28,336,709.20-42,510,452.46-19,619,748.40

Finding the Fourth Proportional to 28,336,709.20, 42,510,452.46 and 19,619,748.40

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Solution

The fourth proportional to 28,336,709.20, 42,510,452.46 and 19,619,748.40 is: 29,433,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,709.20 : 42,510,452.46 = 19,619,748.40 : x
  2. Step 2: Convert to fraction form
    28,336,709.20/42,510,452.46 = 19,619,748.40/x
  3. Step 3: Cross multiply
    28,336,709.20x = 42,510,452.46 × 19,619,748.40
  4. Step 4: Simplify right side
    28,336,709.20x = 834,044,381,635,361
  5. Step 5: Solve for x
    x = 834,044,381,635,361/28,336,709.20
  6. Step 6: Final answer
    x = 29,433,353.60

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1.5x scale

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.