Home / 13,322,053.40-18,384,584.18-7,815,522.13

Finding the Fourth Proportional to 13,322,053.40, 18,384,584.18 and 7,815,522.13

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Solution

The fourth proportional to 13,322,053.40, 18,384,584.18 and 7,815,522.13 is: 10,785,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,053.40 : 18,384,584.18 = 7,815,522.13 : x
  2. Step 2: Convert to fraction form
    13,322,053.40/18,384,584.18 = 7,815,522.13/x
  3. Step 3: Cross multiply
    13,322,053.40x = 18,384,584.18 × 7,815,522.13
  4. Step 4: Simplify right side
    13,322,053.40x = 143,685,124,424,598.84
  5. Step 5: Solve for x
    x = 143,685,124,424,598.84/13,322,053.40
  6. Step 6: Final answer
    x = 10,785,508.82

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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.