Home / 9,486,194.91-13,090,933.83-5,135,280.06

Finding the Fourth Proportional to 9,486,194.91, 13,090,933.83 and 5,135,280.06

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Solution

The fourth proportional to 9,486,194.91, 13,090,933.83 and 5,135,280.06 is: 7,086,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,194.91 : 13,090,933.83 = 5,135,280.06 : x
  2. Step 2: Convert to fraction form
    9,486,194.91/13,090,933.83 = 5,135,280.06/x
  3. Step 3: Cross multiply
    9,486,194.91x = 13,090,933.83 × 5,135,280.06
  4. Step 4: Simplify right side
    9,486,194.91x = 67,225,611,463,978.42
  5. Step 5: Solve for x
    x = 67,225,611,463,978.42/9,486,194.91
  6. Step 6: Final answer
    x = 7,086,678.28

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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.