Home / 7,116,271.80-9,820,410.19-3,853,076.43

Finding the Fourth Proportional to 7,116,271.80, 9,820,410.19 and 3,853,076.43

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Solution

The fourth proportional to 7,116,271.80, 9,820,410.19 and 3,853,076.43 is: 5,317,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,271.80 : 9,820,410.19 = 3,853,076.43 : x
  2. Step 2: Convert to fraction form
    7,116,271.80/9,820,410.19 = 3,853,076.43/x
  3. Step 3: Cross multiply
    7,116,271.80x = 9,820,410.19 × 3,853,076.43
  4. Step 4: Simplify right side
    7,116,271.80x = 37,838,791,036,020.82
  5. Step 5: Solve for x
    x = 37,838,791,036,020.82/7,116,271.80
  6. Step 6: Final answer
    x = 5,317,221.17

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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.