Home / 13,374,334.51-18,456,269.33-7,868,063.93

Finding the Fourth Proportional to 13,374,334.51, 18,456,269.33 and 7,868,063.93

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Solution

The fourth proportional to 13,374,334.51, 18,456,269.33 and 7,868,063.93 is: 10,857,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,334.51 : 18,456,269.33 = 7,868,063.93 : x
  2. Step 2: Convert to fraction form
    13,374,334.51/18,456,269.33 = 7,868,063.93/x
  3. Step 3: Cross multiply
    13,374,334.51x = 18,456,269.33 × 7,868,063.93
  4. Step 4: Simplify right side
    13,374,334.51x = 145,215,106,925,127.06
  5. Step 5: Solve for x
    x = 145,215,106,925,127.06/13,374,334.51
  6. Step 6: Final answer
    x = 10,857,744.50

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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.