Home / 13,207,501.94-19,811,405.44-3,985,554.33

Finding the Fourth Proportional to 13,207,501.94, 19,811,405.44 and 3,985,554.33

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Solution

The fourth proportional to 13,207,501.94, 19,811,405.44 and 3,985,554.33 is: 5,978,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,501.94 : 19,811,405.44 = 3,985,554.33 : x
  2. Step 2: Convert to fraction form
    13,207,501.94/19,811,405.44 = 3,985,554.33/x
  3. Step 3: Cross multiply
    13,207,501.94x = 19,811,405.44 × 3,985,554.33
  4. Step 4: Simplify right side
    13,207,501.94x = 78,959,432,714,849.78
  5. Step 5: Solve for x
    x = 78,959,432,714,849.78/13,207,501.94
  6. Step 6: Final answer
    x = 5,978,377.52

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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.