Home / 8,620,635.08-11,899,359.15-5,137,066.57

Finding the Fourth Proportional to 8,620,635.08, 11,899,359.15 and 5,137,066.57

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Solution

The fourth proportional to 8,620,635.08, 11,899,359.15 and 5,137,066.57 is: 7,090,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,635.08 : 11,899,359.15 = 5,137,066.57 : x
  2. Step 2: Convert to fraction form
    8,620,635.08/11,899,359.15 = 5,137,066.57/x
  3. Step 3: Cross multiply
    8,620,635.08x = 11,899,359.15 × 5,137,066.57
  4. Step 4: Simplify right side
    8,620,635.08x = 61,127,800,093,888.62
  5. Step 5: Solve for x
    x = 61,127,800,093,888.62/8,620,635.08
  6. Step 6: Final answer
    x = 7,090,869.70

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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.