Home / 21,566,820.73-32,314,358.83-15,163,645.59

Finding the Fourth Proportional to 21,566,820.73, 32,314,358.83 and 15,163,645.59

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Solution

The fourth proportional to 21,566,820.73, 32,314,358.83 and 15,163,645.59 is: 22,720,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566,820.73 : 32,314,358.83 = 15,163,645.59 : x
  2. Step 2: Convert to fraction form
    21,566,820.73/32,314,358.83 = 15,163,645.59/x
  3. Step 3: Cross multiply
    21,566,820.73x = 32,314,358.83 × 15,163,645.59
  4. Step 4: Simplify right side
    21,566,820.73x = 490,003,484,764,578.88
  5. Step 5: Solve for x
    x = 490,003,484,764,578.88/21,566,820.73
  6. Step 6: Final answer
    x = 22,720,246.57

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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.