Home / 7,114,622.65-9,818,167.96-3,851,436.51

Finding the Fourth Proportional to 7,114,622.65, 9,818,167.96 and 3,851,436.51

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Solution

The fourth proportional to 7,114,622.65, 9,818,167.96 and 3,851,436.51 is: 5,314,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,622.65 : 9,818,167.96 = 3,851,436.51 : x
  2. Step 2: Convert to fraction form
    7,114,622.65/9,818,167.96 = 3,851,436.51/x
  3. Step 3: Cross multiply
    7,114,622.65x = 9,818,167.96 × 3,851,436.51
  4. Step 4: Simplify right side
    7,114,622.65x = 37,814,050,542,120.82
  5. Step 5: Solve for x
    x = 37,814,050,542,120.82/7,114,622.65
  6. Step 6: Final answer
    x = 5,314,976.27

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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.