Home / 21,814,462.48-30,103,712.92-11,891,127.72

Finding the Fourth Proportional to 21,814,462.48, 30,103,712.92 and 11,891,127.72

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Solution

The fourth proportional to 21,814,462.48, 30,103,712.92 and 11,891,127.72 is: 16,409,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814,462.48 : 30,103,712.92 = 11,891,127.72 : x
  2. Step 2: Convert to fraction form
    21,814,462.48/30,103,712.92 = 11,891,127.72/x
  3. Step 3: Cross multiply
    21,814,462.48x = 30,103,712.92 × 11,891,127.72
  4. Step 4: Simplify right side
    21,814,462.48x = 357,967,095,177,934.19
  5. Step 5: Solve for x
    x = 357,967,095,177,934.19/21,814,462.48
  6. Step 6: Final answer
    x = 16,409,622.54

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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.