Home / 18,441,153.10-27,661,729.65-5,661,637.30

Finding the Fourth Proportional to 18,441,153.10, 27,661,729.65 and 5,661,637.30

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Solution

The fourth proportional to 18,441,153.10, 27,661,729.65 and 5,661,637.30 is: 8,492,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,153.10 : 27,661,729.65 = 5,661,637.30 : x
  2. Step 2: Convert to fraction form
    18,441,153.10/27,661,729.65 = 5,661,637.30/x
  3. Step 3: Cross multiply
    18,441,153.10x = 27,661,729.65 × 5,661,637.30
  4. Step 4: Simplify right side
    18,441,153.10x = 156,610,680,368,955.94
  5. Step 5: Solve for x
    x = 156,610,680,368,955.94/18,441,153.10
  6. Step 6: Final answer
    x = 8,492,455.95

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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.