Home / 9,579,034.78-13,218,880.62-5,228,152.28

Finding the Fourth Proportional to 9,579,034.78, 13,218,880.62 and 5,228,152.28

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Solution

The fourth proportional to 9,579,034.78, 13,218,880.62 and 5,228,152.28 is: 7,214,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579,034.78 : 13,218,880.62 = 5,228,152.28 : x
  2. Step 2: Convert to fraction form
    9,579,034.78/13,218,880.62 = 5,228,152.28/x
  3. Step 3: Cross multiply
    9,579,034.78x = 13,218,880.62 × 5,228,152.28
  4. Step 4: Simplify right side
    9,579,034.78x = 69,110,320,852,500.81
  5. Step 5: Solve for x
    x = 69,110,320,852,500.81/9,579,034.78
  6. Step 6: Final answer
    x = 7,214,747.88

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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.