Home / 9,579,036.78-13,218,883.38-5,228,154.28

Finding the Fourth Proportional to 9,579,036.78, 13,218,883.38 and 5,228,154.28

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Solution

The fourth proportional to 9,579,036.78, 13,218,883.38 and 5,228,154.28 is: 7,214,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579,036.78 : 13,218,883.38 = 5,228,154.28 : x
  2. Step 2: Convert to fraction form
    9,579,036.78/13,218,883.38 = 5,228,154.28/x
  3. Step 3: Cross multiply
    9,579,036.78x = 13,218,883.38 × 5,228,154.28
  4. Step 4: Simplify right side
    9,579,036.78x = 69,110,361,719,967.88
  5. Step 5: Solve for x
    x = 69,110,361,719,967.88/9,579,036.78
  6. Step 6: Final answer
    x = 7,214,750.64

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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.