Home / 11,657,896.15-16,087,168.48-6,430,964.78

Finding the Fourth Proportional to 11,657,896.15, 16,087,168.48 and 6,430,964.78

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Solution

The fourth proportional to 11,657,896.15, 16,087,168.48 and 6,430,964.78 is: 8,874,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,896.15 : 16,087,168.48 = 6,430,964.78 : x
  2. Step 2: Convert to fraction form
    11,657,896.15/16,087,168.48 = 6,430,964.78/x
  3. Step 3: Cross multiply
    11,657,896.15x = 16,087,168.48 × 6,430,964.78
  4. Step 4: Simplify right side
    11,657,896.15x = 103,456,013,904,806.14
  5. Step 5: Solve for x
    x = 103,456,013,904,806.14/11,657,896.15
  6. Step 6: Final answer
    x = 8,874,329.69

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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.