Home / 34,651,795.78-47,819,856.09-19,182,138.76

Finding the Fourth Proportional to 34,651,795.78, 47,819,856.09 and 19,182,138.76

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Solution

The fourth proportional to 34,651,795.78, 47,819,856.09 and 19,182,138.76 is: 26,471,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651,795.78 : 47,819,856.09 = 19,182,138.76 : x
  2. Step 2: Convert to fraction form
    34,651,795.78/47,819,856.09 = 19,182,138.76/x
  3. Step 3: Cross multiply
    34,651,795.78x = 47,819,856.09 × 19,182,138.76
  4. Step 4: Simplify right side
    34,651,795.78x = 917,287,115,001,611.25
  5. Step 5: Solve for x
    x = 917,287,115,001,611.25/34,651,795.78
  6. Step 6: Final answer
    x = 26,471,560.69

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Double scale
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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.