Home / 6,626,678.24-9,940,141.80-2,077,626.20

Finding the Fourth Proportional to 6,626,678.24, 9,940,141.80 and 2,077,626.20

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Solution

The fourth proportional to 6,626,678.24, 9,940,141.80 and 2,077,626.20 is: 3,116,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,678.24 : 9,940,141.80 = 2,077,626.20 : x
  2. Step 2: Convert to fraction form
    6,626,678.24/9,940,141.80 = 2,077,626.20/x
  3. Step 3: Cross multiply
    6,626,678.24x = 9,940,141.80 × 2,077,626.20
  4. Step 4: Simplify right side
    6,626,678.24x = 20,651,899,035,395.16
  5. Step 5: Solve for x
    x = 20,651,899,035,395.16/6,626,678.24
  6. Step 6: Final answer
    x = 3,116,478.31

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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.