Home / 21,353,801.10-32,030,701.65-17,763,621.90

Finding the Fourth Proportional to 21,353,801.10, 32,030,701.65 and 17,763,621.90

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Solution

The fourth proportional to 21,353,801.10, 32,030,701.65 and 17,763,621.90 is: 26,645,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,801.10 : 32,030,701.65 = 17,763,621.90 : x
  2. Step 2: Convert to fraction form
    21,353,801.10/32,030,701.65 = 17,763,621.90/x
  3. Step 3: Cross multiply
    21,353,801.10x = 32,030,701.65 × 17,763,621.90
  4. Step 4: Simplify right side
    21,353,801.10x = 568,981,273,302,306
  5. Step 5: Solve for x
    x = 568,981,273,302,306/21,353,801.10
  6. Step 6: Final answer
    x = 26,645,432.85

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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.