Home / 39,917,931.60-55,086,424.74-23,174,224.76

Finding the Fourth Proportional to 39,917,931.60, 55,086,424.74 and 23,174,224.76

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Solution

The fourth proportional to 39,917,931.60, 55,086,424.74 and 23,174,224.76 is: 31,980,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917,931.60 : 55,086,424.74 = 23,174,224.76 : x
  2. Step 2: Convert to fraction form
    39,917,931.60/55,086,424.74 = 23,174,224.76/x
  3. Step 3: Cross multiply
    39,917,931.60x = 55,086,424.74 × 23,174,224.76
  4. Step 4: Simplify right side
    39,917,931.60x = 1,276,585,188,149,584.75
  5. Step 5: Solve for x
    x = 1,276,585,188,149,584.75/39,917,931.60
  6. Step 6: Final answer
    x = 31,980,243.89

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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.