Home / 15,800,129.84-21,805,952.46-8,925,054.78

Finding the Fourth Proportional to 15,800,129.84, 21,805,952.46 and 8,925,054.78

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Solution

The fourth proportional to 15,800,129.84, 21,805,952.46 and 8,925,054.78 is: 12,317,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,129.84 : 21,805,952.46 = 8,925,054.78 : x
  2. Step 2: Convert to fraction form
    15,800,129.84/21,805,952.46 = 8,925,054.78/x
  3. Step 3: Cross multiply
    15,800,129.84x = 21,805,952.46 × 8,925,054.78
  4. Step 4: Simplify right side
    15,800,129.84x = 194,619,320,235,575.75
  5. Step 5: Solve for x
    x = 194,619,320,235,575.75/15,800,129.84
  6. Step 6: Final answer
    x = 12,317,577.27

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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.