Home / 5,153,159.82-7,114,121.42-3,973,181.52

Finding the Fourth Proportional to 5,153,159.82, 7,114,121.42 and 3,973,181.52

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Solution

The fourth proportional to 5,153,159.82, 7,114,121.42 and 3,973,181.52 is: 5,485,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,159.82 : 7,114,121.42 = 3,973,181.52 : x
  2. Step 2: Convert to fraction form
    5,153,159.82/7,114,121.42 = 3,973,181.52/x
  3. Step 3: Cross multiply
    5,153,159.82x = 7,114,121.42 × 3,973,181.52
  4. Step 4: Simplify right side
    5,153,159.82x = 28,265,695,756,980.16
  5. Step 5: Solve for x
    x = 28,265,695,756,980.16/5,153,159.82
  6. Step 6: Final answer
    x = 5,485,119.18

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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.