Home / 21,339,709.64-32,009,648.49-5,165,634.93

Finding the Fourth Proportional to 21,339,709.64, 32,009,648.49 and 5,165,634.93

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Solution

The fourth proportional to 21,339,709.64, 32,009,648.49 and 5,165,634.93 is: 7,748,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,709.64 : 32,009,648.49 = 5,165,634.93 : x
  2. Step 2: Convert to fraction form
    21,339,709.64/32,009,648.49 = 5,165,634.93/x
  3. Step 3: Cross multiply
    21,339,709.64x = 32,009,648.49 × 5,165,634.93
  4. Step 4: Simplify right side
    21,339,709.64x = 165,350,158,336,965.75
  5. Step 5: Solve for x
    x = 165,350,158,336,965.75/21,339,709.64
  6. Step 6: Final answer
    x = 7,748,472.74

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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.