Home / 13,522,398.44-18,658,845.93-7,639,886.23

Finding the Fourth Proportional to 13,522,398.44, 18,658,845.93 and 7,639,886.23

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Solution

The fourth proportional to 13,522,398.44, 18,658,845.93 and 7,639,886.23 is: 10,541,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522,398.44 : 18,658,845.93 = 7,639,886.23 : x
  2. Step 2: Convert to fraction form
    13,522,398.44/18,658,845.93 = 7,639,886.23/x
  3. Step 3: Cross multiply
    13,522,398.44x = 18,658,845.93 × 7,639,886.23
  4. Step 4: Simplify right side
    13,522,398.44x = 142,551,459,995,404
  5. Step 5: Solve for x
    x = 142,551,459,995,404/13,522,398.44
  6. Step 6: Final answer
    x = 10,541,876.92

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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.