Home / 31,584,118.40-43,586,383.68-18,531,599.36

Finding the Fourth Proportional to 31,584,118.40, 43,586,383.68 and 18,531,599.36

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Solution

The fourth proportional to 31,584,118.40, 43,586,383.68 and 18,531,599.36 is: 25,573,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,118.40 : 43,586,383.68 = 18,531,599.36 : x
  2. Step 2: Convert to fraction form
    31,584,118.40/43,586,383.68 = 18,531,599.36/x
  3. Step 3: Cross multiply
    31,584,118.40x = 43,586,383.68 × 18,531,599.36
  4. Step 4: Simplify right side
    31,584,118.40x = 807,725,399,909,002.38
  5. Step 5: Solve for x
    x = 807,725,399,909,002.38/31,584,118.40
  6. Step 6: Final answer
    x = 25,573,783.31

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1.5x scale

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.