Home / 20,888,920.60-31,333,380.90-16,353,957.40

Finding the Fourth Proportional to 20,888,920.60, 31,333,380.90 and 16,353,957.40

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Solution

The fourth proportional to 20,888,920.60, 31,333,380.90 and 16,353,957.40 is: 24,530,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,920.60 : 31,333,380.90 = 16,353,957.40 : x
  2. Step 2: Convert to fraction form
    20,888,920.60/31,333,380.90 = 16,353,957.40/x
  3. Step 3: Cross multiply
    20,888,920.60x = 31,333,380.90 × 16,353,957.40
  4. Step 4: Simplify right side
    20,888,920.60x = 512,424,776,436,573.62
  5. Step 5: Solve for x
    x = 512,424,776,436,573.62/20,888,920.60
  6. Step 6: Final answer
    x = 24,530,936.10

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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.