Home / 38,178,306.73-57,276,429.51-12,619,316.17

Finding the Fourth Proportional to 38,178,306.73, 57,276,429.51 and 12,619,316.17

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Solution

The fourth proportional to 38,178,306.73, 57,276,429.51 and 12,619,316.17 is: 18,931,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,306.73 : 57,276,429.51 = 12,619,316.17 : x
  2. Step 2: Convert to fraction form
    38,178,306.73/57,276,429.51 = 12,619,316.17/x
  3. Step 3: Cross multiply
    38,178,306.73x = 57,276,429.51 × 12,619,316.17
  4. Step 4: Simplify right side
    38,178,306.73x = 722,789,373,075,408.12
  5. Step 5: Solve for x
    x = 722,789,373,075,408.12/38,178,306.73
  6. Step 6: Final answer
    x = 18,931,938.97

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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.