Home / 38,178,305.73-57,276,428.01-12,619,315.17

Finding the Fourth Proportional to 38,178,305.73, 57,276,428.01 and 12,619,315.17

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Solution

The fourth proportional to 38,178,305.73, 57,276,428.01 and 12,619,315.17 is: 18,931,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,305.73 : 57,276,428.01 = 12,619,315.17 : x
  2. Step 2: Convert to fraction form
    38,178,305.73/57,276,428.01 = 12,619,315.17/x
  3. Step 3: Cross multiply
    38,178,305.73x = 57,276,428.01 × 12,619,315.17
  4. Step 4: Simplify right side
    38,178,305.73x = 722,789,296,870,005.88
  5. Step 5: Solve for x
    x = 722,789,296,870,005.88/38,178,305.73
  6. Step 6: Final answer
    x = 18,931,937.47

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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.