Home / 13,351,796.76-18,427,838.52-7,845,170.52

Finding the Fourth Proportional to 13,351,796.76, 18,427,838.52 and 7,845,170.52

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Solution

The fourth proportional to 13,351,796.76, 18,427,838.52 and 7,845,170.52 is: 10,827,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,796.76 : 18,427,838.52 = 7,845,170.52 : x
  2. Step 2: Convert to fraction form
    13,351,796.76/18,427,838.52 = 7,845,170.52/x
  3. Step 3: Cross multiply
    13,351,796.76x = 18,427,838.52 × 7,845,170.52
  4. Step 4: Simplify right side
    13,351,796.76x = 144,569,535,504,424.41
  5. Step 5: Solve for x
    x = 144,569,535,504,424.41/13,351,796.76
  6. Step 6: Final answer
    x = 10,827,721.40

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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.