Home / 21,094,936.73-31,643,623.14-8,141,154.62

Finding the Fourth Proportional to 21,094,936.73, 31,643,623.14 and 8,141,154.62

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Solution

The fourth proportional to 21,094,936.73, 31,643,623.14 and 8,141,154.62 is: 12,212,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,936.73 : 31,643,623.14 = 8,141,154.62 : x
  2. Step 2: Convert to fraction form
    21,094,936.73/31,643,623.14 = 8,141,154.62/x
  3. Step 3: Cross multiply
    21,094,936.73x = 31,643,623.14 × 8,141,154.62
  4. Step 4: Simplify right side
    21,094,936.73x = 257,615,628,561,531.81
  5. Step 5: Solve for x
    x = 257,615,628,561,531.81/21,094,936.73
  6. Step 6: Final answer
    x = 12,212,202.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.