Home / 15,404,913.64-21,259,444.26-8,529,394.60

Finding the Fourth Proportional to 15,404,913.64, 21,259,444.26 and 8,529,394.60

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Solution

The fourth proportional to 15,404,913.64, 21,259,444.26 and 8,529,394.60 is: 11,770,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,913.64 : 21,259,444.26 = 8,529,394.60 : x
  2. Step 2: Convert to fraction form
    15,404,913.64/21,259,444.26 = 8,529,394.60/x
  3. Step 3: Cross multiply
    15,404,913.64x = 21,259,444.26 × 8,529,394.60
  4. Step 4: Simplify right side
    15,404,913.64x = 181,330,189,070,245
  5. Step 5: Solve for x
    x = 181,330,189,070,245/15,404,913.64
  6. Step 6: Final answer
    x = 11,770,931.88

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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.