Home / 18,711,664.20-28,046,501.10-10,628,512.20

Finding the Fourth Proportional to 18,711,664.20, 28,046,501.10 and 10,628,512.20

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Solution

The fourth proportional to 18,711,664.20, 28,046,501.10 and 10,628,512.20 is: 15,930,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,664.20 : 28,046,501.10 = 10,628,512.20 : x
  2. Step 2: Convert to fraction form
    18,711,664.20/28,046,501.10 = 10,628,512.20/x
  3. Step 3: Cross multiply
    18,711,664.20x = 28,046,501.10 × 10,628,512.20
  4. Step 4: Simplify right side
    18,711,664.20x = 298,092,579,108,663.44
  5. Step 5: Solve for x
    x = 298,092,579,108,663.44/18,711,664.20
  6. Step 6: Final answer
    x = 15,930,842.70

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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.