Home / 13,696,284.72-18,901,467.05-7,584,713.22

Finding the Fourth Proportional to 13,696,284.72, 18,901,467.05 and 7,584,713.22

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Solution

The fourth proportional to 13,696,284.72, 18,901,467.05 and 7,584,713.22 is: 10,467,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,284.72 : 18,901,467.05 = 7,584,713.22 : x
  2. Step 2: Convert to fraction form
    13,696,284.72/18,901,467.05 = 7,584,713.22/x
  3. Step 3: Cross multiply
    13,696,284.72x = 18,901,467.05 × 7,584,713.22
  4. Step 4: Simplify right side
    13,696,284.72x = 143,362,207,011,529.41
  5. Step 5: Solve for x
    x = 143,362,207,011,529.41/13,696,284.72
  6. Step 6: Final answer
    x = 10,467,233.26

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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.