Home / 12,976,870.68-19,466,636.45-4,896,645.62

Finding the Fourth Proportional to 12,976,870.68, 19,466,636.45 and 4,896,645.62

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Solution

The fourth proportional to 12,976,870.68, 19,466,636.45 and 4,896,645.62 is: 7,345,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,870.68 : 19,466,636.45 = 4,896,645.62 : x
  2. Step 2: Convert to fraction form
    12,976,870.68/19,466,636.45 = 4,896,645.62/x
  3. Step 3: Cross multiply
    12,976,870.68x = 19,466,636.45 × 4,896,645.62
  4. Step 4: Simplify right side
    12,976,870.68x = 95,321,219,987,208.44
  5. Step 5: Solve for x
    x = 95,321,219,987,208.44/12,976,870.68
  6. Step 6: Final answer
    x = 7,345,470.44

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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.