Home / 10,688,675.80-16,033,013.70-3,115,888.60

Finding the Fourth Proportional to 10,688,675.80, 16,033,013.70 and 3,115,888.60

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Solution

The fourth proportional to 10,688,675.80, 16,033,013.70 and 3,115,888.60 is: 4,673,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,675.80 : 16,033,013.70 = 3,115,888.60 : x
  2. Step 2: Convert to fraction form
    10,688,675.80/16,033,013.70 = 3,115,888.60/x
  3. Step 3: Cross multiply
    10,688,675.80x = 16,033,013.70 × 3,115,888.60
  4. Step 4: Simplify right side
    10,688,675.80x = 49,957,084,611,473.82
  5. Step 5: Solve for x
    x = 49,957,084,611,473.82/10,688,675.80
  6. Step 6: Final answer
    x = 4,673,832.90

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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.