Home / 7,111,518.72-9,813,921.68-3,848,333.08

Finding the Fourth Proportional to 7,111,518.72, 9,813,921.68 and 3,848,333.08

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Solution

The fourth proportional to 7,111,518.72, 9,813,921.68 and 3,848,333.08 is: 5,310,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,518.72 : 9,813,921.68 = 3,848,333.08 : x
  2. Step 2: Convert to fraction form
    7,111,518.72/9,813,921.68 = 3,848,333.08/x
  3. Step 3: Cross multiply
    7,111,518.72x = 9,813,921.68 × 3,848,333.08
  4. Step 4: Simplify right side
    7,111,518.72x = 37,767,239,445,673.17
  5. Step 5: Solve for x
    x = 37,767,239,445,673.17/7,111,518.72
  6. Step 6: Final answer
    x = 5,310,713.64

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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.