Home / 15,404,556.60-21,258,952.38-8,529,038.64

Finding the Fourth Proportional to 15,404,556.60, 21,258,952.38 and 8,529,038.64

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Solution

The fourth proportional to 15,404,556.60, 21,258,952.38 and 8,529,038.64 is: 11,770,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,556.60 : 21,258,952.38 = 8,529,038.64 : x
  2. Step 2: Convert to fraction form
    15,404,556.60/21,258,952.38 = 8,529,038.64/x
  3. Step 3: Cross multiply
    15,404,556.60x = 21,258,952.38 × 8,529,038.64
  4. Step 4: Simplify right side
    15,404,556.60x = 181,318,426,294,939.97
  5. Step 5: Solve for x
    x = 181,318,426,294,939.97/15,404,556.60
  6. Step 6: Final answer
    x = 11,770,441.11

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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.