Home / 13,852,942.11-19,116,146.07-7,971,625.87

Finding the Fourth Proportional to 13,852,942.11, 19,116,146.07 and 7,971,625.87

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Solution

The fourth proportional to 13,852,942.11, 19,116,146.07 and 7,971,625.87 is: 11,000,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,942.11 : 19,116,146.07 = 7,971,625.87 : x
  2. Step 2: Convert to fraction form
    13,852,942.11/19,116,146.07 = 7,971,625.87/x
  3. Step 3: Cross multiply
    13,852,942.11x = 19,116,146.07 × 7,971,625.87
  4. Step 4: Simplify right side
    13,852,942.11x = 152,386,764,498,520.47
  5. Step 5: Solve for x
    x = 152,386,764,498,520.47/13,852,942.11
  6. Step 6: Final answer
    x = 11,000,317.72

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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.