Home / 13,374,340.53-18,456,277.59-7,868,069.93

Finding the Fourth Proportional to 13,374,340.53, 18,456,277.59 and 7,868,069.93

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Solution

The fourth proportional to 13,374,340.53, 18,456,277.59 and 7,868,069.93 is: 10,857,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,340.53 : 18,456,277.59 = 7,868,069.93 : x
  2. Step 2: Convert to fraction form
    13,374,340.53/18,456,277.59 = 7,868,069.93/x
  3. Step 3: Cross multiply
    13,374,340.53x = 18,456,277.59 × 7,868,069.93
  4. Step 4: Simplify right side
    13,374,340.53x = 145,215,282,633,330.47
  5. Step 5: Solve for x
    x = 145,215,282,633,330.47/13,374,340.53
  6. Step 6: Final answer
    x = 10,857,752.75

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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.