Home / 15,436,932.84-21,303,678.50-8,561,005.16

Finding the Fourth Proportional to 15,436,932.84, 21,303,678.50 and 8,561,005.16

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Solution

The fourth proportional to 15,436,932.84, 21,303,678.50 and 8,561,005.16 is: 11,814,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436,932.84 : 21,303,678.50 = 8,561,005.16 : x
  2. Step 2: Convert to fraction form
    15,436,932.84/21,303,678.50 = 8,561,005.16/x
  3. Step 3: Cross multiply
    15,436,932.84x = 21,303,678.50 × 8,561,005.16
  4. Step 4: Simplify right side
    15,436,932.84x = 182,380,901,565,481.06
  5. Step 5: Solve for x
    x = 182,380,901,565,481.06/15,436,932.84
  6. Step 6: Final answer
    x = 11,814,581.53

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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.