Home / 6,811,549.66-9,390,171.43-5,358,721.91

Finding the Fourth Proportional to 6,811,549.66, 9,390,171.43 and 5,358,721.91

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Solution

The fourth proportional to 6,811,549.66, 9,390,171.43 and 5,358,721.91 is: 7,387,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811,549.66 : 9,390,171.43 = 5,358,721.91 : x
  2. Step 2: Convert to fraction form
    6,811,549.66/9,390,171.43 = 5,358,721.91/x
  3. Step 3: Cross multiply
    6,811,549.66x = 9,390,171.43 × 5,358,721.91
  4. Step 4: Simplify right side
    6,811,549.66x = 50,319,317,406,991.38
  5. Step 5: Solve for x
    x = 50,319,317,406,991.38/6,811,549.66
  6. Step 6: Final answer
    x = 7,387,352.36

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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.