Home / 12,820,779.45-19,231,095.74-3,236,118.57

Finding the Fourth Proportional to 12,820,779.45, 19,231,095.74 and 3,236,118.57

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Solution

The fourth proportional to 12,820,779.45, 19,231,095.74 and 3,236,118.57 is: 4,854,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,779.45 : 19,231,095.74 = 3,236,118.57 : x
  2. Step 2: Convert to fraction form
    12,820,779.45/19,231,095.74 = 3,236,118.57/x
  3. Step 3: Cross multiply
    12,820,779.45x = 19,231,095.74 × 3,236,118.57
  4. Step 4: Simplify right side
    12,820,779.45x = 62,234,106,029,481.30
  5. Step 5: Solve for x
    x = 62,234,106,029,481.30/12,820,779.45
  6. Step 6: Final answer
    x = 4,854,159.32

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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.