Home / 22,931,880.60-34,397,820.90-21,178,125.30

Finding the Fourth Proportional to 22,931,880.60, 34,397,820.90 and 21,178,125.30

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Solution

The fourth proportional to 22,931,880.60, 34,397,820.90 and 21,178,125.30 is: 31,767,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931,880.60 : 34,397,820.90 = 21,178,125.30 : x
  2. Step 2: Convert to fraction form
    22,931,880.60/34,397,820.90 = 21,178,125.30/x
  3. Step 3: Cross multiply
    22,931,880.60x = 34,397,820.90 × 21,178,125.30
  4. Step 4: Simplify right side
    22,931,880.60x = 728,481,361,067,158.75
  5. Step 5: Solve for x
    x = 728,481,361,067,158.75/22,931,880.60
  6. Step 6: Final answer
    x = 31,767,187.95

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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.