Home / 14,078,780.56-19,428,717.18-7,640,252.56

Finding the Fourth Proportional to 14,078,780.56, 19,428,717.18 and 7,640,252.56

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Solution

The fourth proportional to 14,078,780.56, 19,428,717.18 and 7,640,252.56 is: 10,543,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,780.56 : 19,428,717.18 = 7,640,252.56 : x
  2. Step 2: Convert to fraction form
    14,078,780.56/19,428,717.18 = 7,640,252.56/x
  3. Step 3: Cross multiply
    14,078,780.56x = 19,428,717.18 × 7,640,252.56
  4. Step 4: Simplify right side
    14,078,780.56x = 148,440,306,172,010.97
  5. Step 5: Solve for x
    x = 148,440,306,172,010.97/14,078,780.56
  6. Step 6: Final answer
    x = 10,543,548.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.