Home / 31,617,971.60-43,615,969.70-19,231,853.36

Finding the Fourth Proportional to 31,617,971.60, 43,615,969.70 and 19,231,853.36

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Solution

The fourth proportional to 31,617,971.60, 43,615,969.70 and 19,231,853.36 is: 26,529,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617,971.60 : 43,615,969.70 = 19,231,853.36 : x
  2. Step 2: Convert to fraction form
    31,617,971.60/43,615,969.70 = 19,231,853.36/x
  3. Step 3: Cross multiply
    31,617,971.60x = 43,615,969.70 × 19,231,853.36
  4. Step 4: Simplify right side
    31,617,971.60x = 838,815,933,110,364.12
  5. Step 5: Solve for x
    x = 838,815,933,110,364.12/31,617,971.60
  6. Step 6: Final answer
    x = 26,529,719.99

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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.