Home / 7,868,782.64-11,803,195.02-2,189,007.56

Finding the Fourth Proportional to 7,868,782.64, 11,803,195.02 and 2,189,007.56

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Solution

The fourth proportional to 7,868,782.64, 11,803,195.02 and 2,189,007.56 is: 3,283,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,782.64 : 11,803,195.02 = 2,189,007.56 : x
  2. Step 2: Convert to fraction form
    7,868,782.64/11,803,195.02 = 2,189,007.56/x
  3. Step 3: Cross multiply
    7,868,782.64x = 11,803,195.02 × 2,189,007.56
  4. Step 4: Simplify right side
    7,868,782.64x = 25,837,283,130,934.35
  5. Step 5: Solve for x
    x = 25,837,283,130,934.35/7,868,782.64
  6. Step 6: Final answer
    x = 3,283,517.20

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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.