Home / 21,678,873.97-32,536,200.20-10,899,238.45

Finding the Fourth Proportional to 21,678,873.97, 32,536,200.20 and 10,899,238.45

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Solution

The fourth proportional to 21,678,873.97, 32,536,200.20 and 10,899,238.45 is: 16,357,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,873.97 : 32,536,200.20 = 10,899,238.45 : x
  2. Step 2: Convert to fraction form
    21,678,873.97/32,536,200.20 = 10,899,238.45/x
  3. Step 3: Cross multiply
    21,678,873.97x = 32,536,200.20 × 10,899,238.45
  4. Step 4: Simplify right side
    21,678,873.97x = 354,619,804,019,560.50
  5. Step 5: Solve for x
    x = 354,619,804,019,560.50/21,678,873.97
  6. Step 6: Final answer
    x = 16,357,851.64

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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.