Home / 15,404,564.76-21,258,963.72-8,529,046.92

Finding the Fourth Proportional to 15,404,564.76, 21,258,963.72 and 8,529,046.92

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Solution

The fourth proportional to 15,404,564.76, 21,258,963.72 and 8,529,046.92 is: 11,770,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,564.76 : 21,258,963.72 = 8,529,046.92 : x
  2. Step 2: Convert to fraction form
    15,404,564.76/21,258,963.72 = 8,529,046.92/x
  3. Step 3: Cross multiply
    15,404,564.76x = 21,258,963.72 × 8,529,046.92
  4. Step 4: Simplify right side
    15,404,564.76x = 181,318,699,038,457.72
  5. Step 5: Solve for x
    x = 181,318,699,038,457.72/15,404,564.76
  6. Step 6: Final answer
    x = 11,770,452.58

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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.