Home / 18,851,214.20-28,274,703.82-5,206,300.40

Finding the Fourth Proportional to 18,851,214.20, 28,274,703.82 and 5,206,300.40

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Solution

The fourth proportional to 18,851,214.20, 28,274,703.82 and 5,206,300.40 is: 7,808,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,214.20 : 28,274,703.82 = 5,206,300.40 : x
  2. Step 2: Convert to fraction form
    18,851,214.20/28,274,703.82 = 5,206,300.40/x
  3. Step 3: Cross multiply
    18,851,214.20x = 28,274,703.82 × 5,206,300.40
  4. Step 4: Simplify right side
    18,851,214.20x = 147,206,601,865,618.53
  5. Step 5: Solve for x
    x = 147,206,601,865,618.53/18,851,214.20
  6. Step 6: Final answer
    x = 7,808,865.80

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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.