Home / 15,444,458.76-21,308,073.94-8,824,297.14

Finding the Fourth Proportional to 15,444,458.76, 21,308,073.94 and 8,824,297.14

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Solution

The fourth proportional to 15,444,458.76, 21,308,073.94 and 8,824,297.14 is: 12,174,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444,458.76 : 21,308,073.94 = 8,824,297.14 : x
  2. Step 2: Convert to fraction form
    15,444,458.76/21,308,073.94 = 8,824,297.14/x
  3. Step 3: Cross multiply
    15,444,458.76x = 21,308,073.94 × 8,824,297.14
  4. Step 4: Simplify right side
    15,444,458.76x = 188,028,775,938,680.91
  5. Step 5: Solve for x
    x = 188,028,775,938,680.91/15,444,458.76
  6. Step 6: Final answer
    x = 12,174,513.77

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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.