Home / 21,031,833.75-29,024,018.06-11,374,041.75

Finding the Fourth Proportional to 21,031,833.75, 29,024,018.06 and 11,374,041.75

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Solution

The fourth proportional to 21,031,833.75, 29,024,018.06 and 11,374,041.75 is: 15,696,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,833.75 : 29,024,018.06 = 11,374,041.75 : x
  2. Step 2: Convert to fraction form
    21,031,833.75/29,024,018.06 = 11,374,041.75/x
  3. Step 3: Cross multiply
    21,031,833.75x = 29,024,018.06 × 11,374,041.75
  4. Step 4: Simplify right side
    21,031,833.75x = 330,120,393,110,323.81
  5. Step 5: Solve for x
    x = 330,120,393,110,323.81/21,031,833.75
  6. Step 6: Final answer
    x = 15,696,224.92

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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.