Home / 21,094,936.48-31,643,622.76-8,141,154.36

Finding the Fourth Proportional to 21,094,936.48, 31,643,622.76 and 8,141,154.36

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Solution

The fourth proportional to 21,094,936.48, 31,643,622.76 and 8,141,154.36 is: 12,212,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,936.48 : 31,643,622.76 = 8,141,154.36 : x
  2. Step 2: Convert to fraction form
    21,094,936.48/31,643,622.76 = 8,141,154.36/x
  3. Step 3: Cross multiply
    21,094,936.48x = 31,643,622.76 × 8,141,154.36
  4. Step 4: Simplify right side
    21,094,936.48x = 257,615,617,398,769.25
  5. Step 5: Solve for x
    x = 257,615,617,398,769.25/21,094,936.48
  6. Step 6: Final answer
    x = 12,212,201.62

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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.