Home / 6,931,675.11-10,398,508.97-2,139,774.64

Finding the Fourth Proportional to 6,931,675.11, 10,398,508.97 and 2,139,774.64

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Solution

The fourth proportional to 6,931,675.11, 10,398,508.97 and 2,139,774.64 is: 3,209,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,675.11 : 10,398,508.97 = 2,139,774.64 : x
  2. Step 2: Convert to fraction form
    6,931,675.11/10,398,508.97 = 2,139,774.64/x
  3. Step 3: Cross multiply
    6,931,675.11x = 10,398,508.97 × 2,139,774.64
  4. Step 4: Simplify right side
    6,931,675.11x = 22,250,465,777,119.65
  5. Step 5: Solve for x
    x = 22,250,465,777,119.65/6,931,675.11
  6. Step 6: Final answer
    x = 3,209,969.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.