Home / 21,731,460.30-32,601,127.05-10,921,556.70

Finding the Fourth Proportional to 21,731,460.30, 32,601,127.05 and 10,921,556.70

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Solution

The fourth proportional to 21,731,460.30, 32,601,127.05 and 10,921,556.70 is: 16,384,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,460.30 : 32,601,127.05 = 10,921,556.70 : x
  2. Step 2: Convert to fraction form
    21,731,460.30/32,601,127.05 = 10,921,556.70/x
  3. Step 3: Cross multiply
    21,731,460.30x = 32,601,127.05 × 10,921,556.70
  4. Step 4: Simplify right side
    21,731,460.30x = 356,055,057,560,478.75
  5. Step 5: Solve for x
    x = 356,055,057,560,478.75/21,731,460.30
  6. Step 6: Final answer
    x = 16,384,313.46

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1.5x scale

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.