Home / 13,374,335.51-18,456,270.71-7,868,064.93

Finding the Fourth Proportional to 13,374,335.51, 18,456,270.71 and 7,868,064.93

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Solution

The fourth proportional to 13,374,335.51, 18,456,270.71 and 7,868,064.93 is: 10,857,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,335.51 : 18,456,270.71 = 7,868,064.93 : x
  2. Step 2: Convert to fraction form
    13,374,335.51/18,456,270.71 = 7,868,064.93/x
  3. Step 3: Cross multiply
    13,374,335.51x = 18,456,270.71 × 7,868,064.93
  4. Step 4: Simplify right side
    13,374,335.51x = 145,215,136,311,937.19
  5. Step 5: Solve for x
    x = 145,215,136,311,937.19/13,374,335.51
  6. Step 6: Final answer
    x = 10,857,745.88

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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.