Home / 20,868,000.20-31,302,000.30-17,085,753.80

Finding the Fourth Proportional to 20,868,000.20, 31,302,000.30 and 17,085,753.80

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Solution

The fourth proportional to 20,868,000.20, 31,302,000.30 and 17,085,753.80 is: 25,628,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,000.20 : 31,302,000.30 = 17,085,753.80 : x
  2. Step 2: Convert to fraction form
    20,868,000.20/31,302,000.30 = 17,085,753.80/x
  3. Step 3: Cross multiply
    20,868,000.20x = 31,302,000.30 × 17,085,753.80
  4. Step 4: Simplify right side
    20,868,000.20x = 534,818,270,573,326.19
  5. Step 5: Solve for x
    x = 534,818,270,573,326.19/20,868,000.20
  6. Step 6: Final answer
    x = 25,628,630.70

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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.