Home / 10,646,340.80-15,973,447.80-3,458,109.20

Finding the Fourth Proportional to 10,646,340.80, 15,973,447.80 and 3,458,109.20

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Solution

The fourth proportional to 10,646,340.80, 15,973,447.80 and 3,458,109.20 is: 5,188,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,340.80 : 15,973,447.80 = 3,458,109.20 : x
  2. Step 2: Convert to fraction form
    10,646,340.80/15,973,447.80 = 3,458,109.20/x
  3. Step 3: Cross multiply
    10,646,340.80x = 15,973,447.80 × 3,458,109.20
  4. Step 4: Simplify right side
    10,646,340.80x = 55,237,926,792,899.77
  5. Step 5: Solve for x
    x = 55,237,926,792,899.77/10,646,340.80
  6. Step 6: Final answer
    x = 5,188,442.47

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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.