Home / 15,826,201.57-21,839,689.09-8,762,109.64

Finding the Fourth Proportional to 15,826,201.57, 21,839,689.09 and 8,762,109.64

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Solution

The fourth proportional to 15,826,201.57, 21,839,689.09 and 8,762,109.64 is: 12,091,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,201.57 : 21,839,689.09 = 8,762,109.64 : x
  2. Step 2: Convert to fraction form
    15,826,201.57/21,839,689.09 = 8,762,109.64/x
  3. Step 3: Cross multiply
    15,826,201.57x = 21,839,689.09 × 8,762,109.64
  4. Step 4: Simplify right side
    15,826,201.57x = 191,361,750,389,293.47
  5. Step 5: Solve for x
    x = 191,361,750,389,293.47/15,826,201.57
  6. Step 6: Final answer
    x = 12,091,451.60

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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.