Home / 12,071,673.64-18,107,248.02-5,678,382.52

Finding the Fourth Proportional to 12,071,673.64, 18,107,248.02 and 5,678,382.52

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Solution

The fourth proportional to 12,071,673.64, 18,107,248.02 and 5,678,382.52 is: 8,517,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,673.64 : 18,107,248.02 = 5,678,382.52 : x
  2. Step 2: Convert to fraction form
    12,071,673.64/18,107,248.02 = 5,678,382.52/x
  3. Step 3: Cross multiply
    12,071,673.64x = 18,107,248.02 × 5,678,382.52
  4. Step 4: Simplify right side
    12,071,673.64x = 102,819,880,642,072.59
  5. Step 5: Solve for x
    x = 102,819,880,642,072.59/12,071,673.64
  6. Step 6: Final answer
    x = 8,517,450.33

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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.