Home / 21,578,889.60-32,315,190.30-10,206,052.20

Finding the Fourth Proportional to 21,578,889.60, 32,315,190.30 and 10,206,052.20

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Solution

The fourth proportional to 21,578,889.60, 32,315,190.30 and 10,206,052.20 is: 15,283,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,889.60 : 32,315,190.30 = 10,206,052.20 : x
  2. Step 2: Convert to fraction form
    21,578,889.60/32,315,190.30 = 10,206,052.20/x
  3. Step 3: Cross multiply
    21,578,889.60x = 32,315,190.30 × 10,206,052.20
  4. Step 4: Simplify right side
    21,578,889.60x = 329,810,519,054,733.62
  5. Step 5: Solve for x
    x = 329,810,519,054,733.62/21,578,889.60
  6. Step 6: Final answer
    x = 15,283,943.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.