Home / 9,486,195.91-13,090,935.21-5,135,281.06

Finding the Fourth Proportional to 9,486,195.91, 13,090,935.21 and 5,135,281.06

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Solution

The fourth proportional to 9,486,195.91, 13,090,935.21 and 5,135,281.06 is: 7,086,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,195.91 : 13,090,935.21 = 5,135,281.06 : x
  2. Step 2: Convert to fraction form
    9,486,195.91/13,090,935.21 = 5,135,281.06/x
  3. Step 3: Cross multiply
    9,486,195.91x = 13,090,935.21 × 5,135,281.06
  4. Step 4: Simplify right side
    9,486,195.91x = 67,225,631,641,600.12
  5. Step 5: Solve for x
    x = 67,225,631,641,600.12/9,486,195.91
  6. Step 6: Final answer
    x = 7,086,679.66

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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.