Home / 9,979,808.64-13,771,343.36-5,627,503.68

Finding the Fourth Proportional to 9,979,808.64, 13,771,343.36 and 5,627,503.68

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Solution

The fourth proportional to 9,979,808.64, 13,771,343.36 and 5,627,503.68 is: 7,765,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,808.64 : 13,771,343.36 = 5,627,503.68 : x
  2. Step 2: Convert to fraction form
    9,979,808.64/13,771,343.36 = 5,627,503.68/x
  3. Step 3: Cross multiply
    9,979,808.64x = 13,771,343.36 × 5,627,503.68
  4. Step 4: Simplify right side
    9,979,808.64x = 77,498,285,436,943.56
  5. Step 5: Solve for x
    x = 77,498,285,436,943.56/9,979,808.64
  6. Step 6: Final answer
    x = 7,765,508.16

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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.