Home / 7,889,426.40-11,827,227.60-5,356,869.60

Finding the Fourth Proportional to 7,889,426.40, 11,827,227.60 and 5,356,869.60

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Solution

The fourth proportional to 7,889,426.40, 11,827,227.60 and 5,356,869.60 is: 8,030,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,426.40 : 11,827,227.60 = 5,356,869.60 : x
  2. Step 2: Convert to fraction form
    7,889,426.40/11,827,227.60 = 5,356,869.60/x
  3. Step 3: Cross multiply
    7,889,426.40x = 11,827,227.60 × 5,356,869.60
  4. Step 4: Simplify right side
    7,889,426.40x = 63,356,915,982,720.95
  5. Step 5: Solve for x
    x = 63,356,915,982,720.95/7,889,426.40
  6. Step 6: Final answer
    x = 8,030,611.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.