Home / 12,934,495.20-19,376,539.92-7,873,252.32

Finding the Fourth Proportional to 12,934,495.20, 19,376,539.92 and 7,873,252.32

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Solution

The fourth proportional to 12,934,495.20, 19,376,539.92 and 7,873,252.32 is: 11,794,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,495.20 : 19,376,539.92 = 7,873,252.32 : x
  2. Step 2: Convert to fraction form
    12,934,495.20/19,376,539.92 = 7,873,252.32/x
  3. Step 3: Cross multiply
    12,934,495.20x = 19,376,539.92 × 7,873,252.32
  4. Step 4: Simplify right side
    12,934,495.20x = 152,556,387,878,712.62
  5. Step 5: Solve for x
    x = 152,556,387,878,712.62/12,934,495.20
  6. Step 6: Final answer
    x = 11,794,537.44

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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.