Home / 11,929,739.31-17,877,928.10-6,453,011.25

Finding the Fourth Proportional to 11,929,739.31, 17,877,928.10 and 6,453,011.25

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Solution

The fourth proportional to 11,929,739.31, 17,877,928.10 and 6,453,011.25 is: 9,670,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,739.31 : 17,877,928.10 = 6,453,011.25 : x
  2. Step 2: Convert to fraction form
    11,929,739.31/17,877,928.10 = 6,453,011.25/x
  3. Step 3: Cross multiply
    11,929,739.31x = 17,877,928.10 × 6,453,011.25
  4. Step 4: Simplify right side
    11,929,739.31x = 115,366,471,172,123.64
  5. Step 5: Solve for x
    x = 115,366,471,172,123.64/11,929,739.31
  6. Step 6: Final answer
    x = 9,670,493.90

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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.