Home / 7,420,119.10-11,130,178.65-3,640,983.10

Finding the Fourth Proportional to 7,420,119.10, 11,130,178.65 and 3,640,983.10

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Solution

The fourth proportional to 7,420,119.10, 11,130,178.65 and 3,640,983.10 is: 5,461,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,119.10 : 11,130,178.65 = 3,640,983.10 : x
  2. Step 2: Convert to fraction form
    7,420,119.10/11,130,178.65 = 3,640,983.10/x
  3. Step 3: Cross multiply
    7,420,119.10x = 11,130,178.65 × 3,640,983.10
  4. Step 4: Simplify right side
    7,420,119.10x = 40,524,792,364,630.82
  5. Step 5: Solve for x
    x = 40,524,792,364,630.82/7,420,119.10
  6. Step 6: Final answer
    x = 5,461,474.65

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Similar ratio
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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.