Home / 21,560,958.60-32,341,437.90-8,790,628.20

Finding the Fourth Proportional to 21,560,958.60, 32,341,437.90 and 8,790,628.20

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Solution

The fourth proportional to 21,560,958.60, 32,341,437.90 and 8,790,628.20 is: 13,185,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,958.60 : 32,341,437.90 = 8,790,628.20 : x
  2. Step 2: Convert to fraction form
    21,560,958.60/32,341,437.90 = 8,790,628.20/x
  3. Step 3: Cross multiply
    21,560,958.60x = 32,341,437.90 × 8,790,628.20
  4. Step 4: Simplify right side
    21,560,958.60x = 284,301,556,032,288.75
  5. Step 5: Solve for x
    x = 284,301,556,032,288.75/21,560,958.60
  6. Step 6: Final answer
    x = 13,185,942.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.