Home / 12,879,436.06-19,319,815.86-3,294,897.76

Finding the Fourth Proportional to 12,879,436.06, 19,319,815.86 and 3,294,897.76

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Solution

The fourth proportional to 12,879,436.06, 19,319,815.86 and 3,294,897.76 is: 4,942,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,436.06 : 19,319,815.86 = 3,294,897.76 : x
  2. Step 2: Convert to fraction form
    12,879,436.06/19,319,815.86 = 3,294,897.76/x
  3. Step 3: Cross multiply
    12,879,436.06x = 19,319,815.86 × 3,294,897.76
  4. Step 4: Simplify right side
    12,879,436.06x = 63,656,818,000,726.47
  5. Step 5: Solve for x
    x = 63,656,818,000,726.47/12,879,436.06
  6. Step 6: Final answer
    x = 4,942,515.94

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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.