Home / 12,919,898.93-17,829,864.59-7,414,281.14

Finding the Fourth Proportional to 12,919,898.93, 17,829,864.59 and 7,414,281.14

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Solution

The fourth proportional to 12,919,898.93, 17,829,864.59 and 7,414,281.14 is: 10,231,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,898.93 : 17,829,864.59 = 7,414,281.14 : x
  2. Step 2: Convert to fraction form
    12,919,898.93/17,829,864.59 = 7,414,281.14/x
  3. Step 3: Cross multiply
    12,919,898.93x = 17,829,864.59 × 7,414,281.14
  4. Step 4: Simplify right side
    12,919,898.93x = 132,195,628,632,170.11
  5. Step 5: Solve for x
    x = 132,195,628,632,170.11/12,919,898.93
  6. Step 6: Final answer
    x = 10,231,939.85

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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.