Home / 12,879,442.08-19,319,824.88-3,294,903.76

Finding the Fourth Proportional to 12,879,442.08, 19,319,824.88 and 3,294,903.76

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Solution

The fourth proportional to 12,879,442.08, 19,319,824.88 and 3,294,903.76 is: 4,942,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,442.08 : 19,319,824.88 = 3,294,903.76 : x
  2. Step 2: Convert to fraction form
    12,879,442.08/19,319,824.88 = 3,294,903.76/x
  3. Step 3: Cross multiply
    12,879,442.08x = 19,319,824.88 × 3,294,903.76
  4. Step 4: Simplify right side
    12,879,442.08x = 63,656,963,639,653.54
  5. Step 5: Solve for x
    x = 63,656,963,639,653.54/12,879,442.08
  6. Step 6: Final answer
    x = 4,942,524.94

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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.