Home / 15,789,921.60-21,790,156.80-8,546,577.60

Finding the Fourth Proportional to 15,789,921.60, 21,790,156.80 and 8,546,577.60

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Solution

The fourth proportional to 15,789,921.60, 21,790,156.80 and 8,546,577.60 is: 11,794,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,921.60 : 21,790,156.80 = 8,546,577.60 : x
  2. Step 2: Convert to fraction form
    15,789,921.60/21,790,156.80 = 8,546,577.60/x
  3. Step 3: Cross multiply
    15,789,921.60x = 21,790,156.80 × 8,546,577.60
  4. Step 4: Simplify right side
    15,789,921.60x = 186,231,266,007,367.69
  5. Step 5: Solve for x
    x = 186,231,266,007,367.69/15,789,921.60
  6. Step 6: Final answer
    x = 11,794,312.27

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1.5x scale

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.