Home / 9,220,398.75-12,729,892.70-5,869,455.80

Finding the Fourth Proportional to 9,220,398.75, 12,729,892.70 and 5,869,455.80

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Solution

The fourth proportional to 9,220,398.75, 12,729,892.70 and 5,869,455.80 is: 8,103,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,398.75 : 12,729,892.70 = 5,869,455.80 : x
  2. Step 2: Convert to fraction form
    9,220,398.75/12,729,892.70 = 5,869,455.80/x
  3. Step 3: Cross multiply
    9,220,398.75x = 12,729,892.70 × 5,869,455.80
  4. Step 4: Simplify right side
    9,220,398.75x = 74,717,542,448,395.92
  5. Step 5: Solve for x
    x = 74,717,542,448,395.92/9,220,398.75
  6. Step 6: Final answer
    x = 8,103,504.47

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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.