Home / 8,611,672.80-12,917,509.20-3,828,703.80

Finding the Fourth Proportional to 8,611,672.80, 12,917,509.20 and 3,828,703.80

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Solution

The fourth proportional to 8,611,672.80, 12,917,509.20 and 3,828,703.80 is: 5,743,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,672.80 : 12,917,509.20 = 3,828,703.80 : x
  2. Step 2: Convert to fraction form
    8,611,672.80/12,917,509.20 = 3,828,703.80/x
  3. Step 3: Cross multiply
    8,611,672.80x = 12,917,509.20 × 3,828,703.80
  4. Step 4: Simplify right side
    8,611,672.80x = 49,457,316,560,574.95
  5. Step 5: Solve for x
    x = 49,457,316,560,574.95/8,611,672.80
  6. Step 6: Final answer
    x = 5,743,055.70

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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.