Home / 21,225,031.56-29,291,581.44-11,935,524.96

Finding the Fourth Proportional to 21,225,031.56, 29,291,581.44 and 11,935,524.96

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Solution

The fourth proportional to 21,225,031.56, 29,291,581.44 and 11,935,524.96 is: 16,471,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,031.56 : 29,291,581.44 = 11,935,524.96 : x
  2. Step 2: Convert to fraction form
    21,225,031.56/29,291,581.44 = 11,935,524.96/x
  3. Step 3: Cross multiply
    21,225,031.56x = 29,291,581.44 × 11,935,524.96
  4. Step 4: Simplify right side
    21,225,031.56x = 349,610,401,394,992.81
  5. Step 5: Solve for x
    x = 349,610,401,394,992.81/21,225,031.56
  6. Step 6: Final answer
    x = 16,471,608.08

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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.