Home / 12,995,479.20-19,496,329.20-6,606,717.60

Finding the Fourth Proportional to 12,995,479.20, 19,496,329.20 and 6,606,717.60

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Solution

The fourth proportional to 12,995,479.20, 19,496,329.20 and 6,606,717.60 is: 9,911,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,479.20 : 19,496,329.20 = 6,606,717.60 : x
  2. Step 2: Convert to fraction form
    12,995,479.20/19,496,329.20 = 6,606,717.60/x
  3. Step 3: Cross multiply
    12,995,479.20x = 19,496,329.20 × 6,606,717.60
  4. Step 4: Simplify right side
    12,995,479.20x = 128,806,741,261,033.91
  5. Step 5: Solve for x
    x = 128,806,741,261,033.91/12,995,479.20
  6. Step 6: Final answer
    x = 9,911,657.68

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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.