Home / 12,647,996.16-18,969,154.76-5,818,009.74

Finding the Fourth Proportional to 12,647,996.16, 18,969,154.76 and 5,818,009.74

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Solution

The fourth proportional to 12,647,996.16, 18,969,154.76 and 5,818,009.74 is: 8,725,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,996.16 : 18,969,154.76 = 5,818,009.74 : x
  2. Step 2: Convert to fraction form
    12,647,996.16/18,969,154.76 = 5,818,009.74/x
  3. Step 3: Cross multiply
    12,647,996.16x = 18,969,154.76 × 5,818,009.74
  4. Step 4: Simplify right side
    12,647,996.16x = 110,362,727,153,247.38
  5. Step 5: Solve for x
    x = 110,362,727,153,247.38/12,647,996.16
  6. Step 6: Final answer
    x = 8,725,708.46

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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.