Home / 18,012,905.16-27,021,018.69-5,882,432.18

Finding the Fourth Proportional to 18,012,905.16, 27,021,018.69 and 5,882,432.18

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Solution

The fourth proportional to 18,012,905.16, 27,021,018.69 and 5,882,432.18 is: 8,824,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,905.16 : 27,021,018.69 = 5,882,432.18 : x
  2. Step 2: Convert to fraction form
    18,012,905.16/27,021,018.69 = 5,882,432.18/x
  3. Step 3: Cross multiply
    18,012,905.16x = 27,021,018.69 × 5,882,432.18
  4. Step 4: Simplify right side
    18,012,905.16x = 158,949,309,743,332.34
  5. Step 5: Solve for x
    x = 158,949,309,743,332.34/18,012,905.16
  6. Step 6: Final answer
    x = 8,824,190.68

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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.