Home / 8,620,245.27-11,883,578.10-6,781,509.93

Finding the Fourth Proportional to 8,620,245.27, 11,883,578.10 and 6,781,509.93

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Solution

The fourth proportional to 8,620,245.27, 11,883,578.10 and 6,781,509.93 is: 9,348,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,245.27 : 11,883,578.10 = 6,781,509.93 : x
  2. Step 2: Convert to fraction form
    8,620,245.27/11,883,578.10 = 6,781,509.93/x
  3. Step 3: Cross multiply
    8,620,245.27x = 11,883,578.10 × 6,781,509.93
  4. Step 4: Simplify right side
    8,620,245.27x = 80,588,602,889,080.53
  5. Step 5: Solve for x
    x = 80,588,602,889,080.53/8,620,245.27
  6. Step 6: Final answer
    x = 9,348,759.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.