Home / 8,681,301.30-11,979,611.82-4,813,679.28

Finding the Fourth Proportional to 8,681,301.30, 11,979,611.82 and 4,813,679.28

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Solution

The fourth proportional to 8,681,301.30, 11,979,611.82 and 4,813,679.28 is: 6,642,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,301.30 : 11,979,611.82 = 4,813,679.28 : x
  2. Step 2: Convert to fraction form
    8,681,301.30/11,979,611.82 = 4,813,679.28/x
  3. Step 3: Cross multiply
    8,681,301.30x = 11,979,611.82 × 4,813,679.28
  4. Step 4: Simplify right side
    8,681,301.30x = 57,666,009,200,377.09
  5. Step 5: Solve for x
    x = 57,666,009,200,377.09/8,681,301.30
  6. Step 6: Final answer
    x = 6,642,553.60

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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.