Home / 20,730,636.01-31,054,321.72-10,324,507.28

Finding the Fourth Proportional to 20,730,636.01, 31,054,321.72 and 10,324,507.28

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Solution

The fourth proportional to 20,730,636.01, 31,054,321.72 and 10,324,507.28 is: 15,466,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730,636.01 : 31,054,321.72 = 10,324,507.28 : x
  2. Step 2: Convert to fraction form
    20,730,636.01/31,054,321.72 = 10,324,507.28/x
  3. Step 3: Cross multiply
    20,730,636.01x = 31,054,321.72 × 10,324,507.28
  4. Step 4: Simplify right side
    20,730,636.01x = 320,620,570,673,602.06
  5. Step 5: Solve for x
    x = 320,620,570,673,602.06/20,730,636.01
  6. Step 6: Final answer
    x = 15,466,026.73

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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.