Home / 21,382,557.84-29,508,552.18-12,089,928.30

Finding the Fourth Proportional to 21,382,557.84, 29,508,552.18 and 12,089,928.30

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Solution

The fourth proportional to 21,382,557.84, 29,508,552.18 and 12,089,928.30 is: 16,684,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,557.84 : 29,508,552.18 = 12,089,928.30 : x
  2. Step 2: Convert to fraction form
    21,382,557.84/29,508,552.18 = 12,089,928.30/x
  3. Step 3: Cross multiply
    21,382,557.84x = 29,508,552.18 × 12,089,928.30
  4. Step 4: Simplify right side
    21,382,557.84x = 356,756,279,915,241.06
  5. Step 5: Solve for x
    x = 356,756,279,915,241.06/21,382,557.84
  6. Step 6: Final answer
    x = 16,684,452.93

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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.