Home / 12,877,269.80-19,315,904.70-3,901,821.80

Finding the Fourth Proportional to 12,877,269.80, 19,315,904.70 and 3,901,821.80

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Solution

The fourth proportional to 12,877,269.80, 19,315,904.70 and 3,901,821.80 is: 5,852,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,269.80 : 19,315,904.70 = 3,901,821.80 : x
  2. Step 2: Convert to fraction form
    12,877,269.80/19,315,904.70 = 3,901,821.80/x
  3. Step 3: Cross multiply
    12,877,269.80x = 19,315,904.70 × 3,901,821.80
  4. Step 4: Simplify right side
    12,877,269.80x = 75,367,218,045,182.45
  5. Step 5: Solve for x
    x = 75,367,218,045,182.45/12,877,269.80
  6. Step 6: Final answer
    x = 5,852,732.70

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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.