Home / 20,341,251.56-28,071,152.98-11,970,471.47

Finding the Fourth Proportional to 20,341,251.56, 28,071,152.98 and 11,970,471.47

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Solution

The fourth proportional to 20,341,251.56, 28,071,152.98 and 11,970,471.47 is: 16,519,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,251.56 : 28,071,152.98 = 11,970,471.47 : x
  2. Step 2: Convert to fraction form
    20,341,251.56/28,071,152.98 = 11,970,471.47/x
  3. Step 3: Cross multiply
    20,341,251.56x = 28,071,152.98 × 11,970,471.47
  4. Step 4: Simplify right side
    20,341,251.56x = 336,024,935,706,813.50
  5. Step 5: Solve for x
    x = 336,024,935,706,813.50/20,341,251.56
  6. Step 6: Final answer
    x = 16,519,383.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.