Home / 8,789,290.54-12,129,219.18-4,869,301.38

Finding the Fourth Proportional to 8,789,290.54, 12,129,219.18 and 4,869,301.38

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Solution

The fourth proportional to 8,789,290.54, 12,129,219.18 and 4,869,301.38 is: 6,719,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,290.54 : 12,129,219.18 = 4,869,301.38 : x
  2. Step 2: Convert to fraction form
    8,789,290.54/12,129,219.18 = 4,869,301.38/x
  3. Step 3: Cross multiply
    8,789,290.54x = 12,129,219.18 × 4,869,301.38
  4. Step 4: Simplify right side
    8,789,290.54x = 59,060,823,691,496.47
  5. Step 5: Solve for x
    x = 59,060,823,691,496.47/8,789,290.54
  6. Step 6: Final answer
    x = 6,719,634.93

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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.