Home / 20,864,047.80-31,311,623.70-10,761,468.60

Finding the Fourth Proportional to 20,864,047.80, 31,311,623.70 and 10,761,468.60

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Solution

The fourth proportional to 20,864,047.80, 31,311,623.70 and 10,761,468.60 is: 16,150,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,047.80 : 31,311,623.70 = 10,761,468.60 : x
  2. Step 2: Convert to fraction form
    20,864,047.80/31,311,623.70 = 10,761,468.60/x
  3. Step 3: Cross multiply
    20,864,047.80x = 31,311,623.70 × 10,761,468.60
  4. Step 4: Simplify right side
    20,864,047.80x = 336,959,055,262,565.81
  5. Step 5: Solve for x
    x = 336,959,055,262,565.81/20,864,047.80
  6. Step 6: Final answer
    x = 16,150,224.47

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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.