Home / 8,195,899.59-11,299,827.02-6,720,371.91

Finding the Fourth Proportional to 8,195,899.59, 11,299,827.02 and 6,720,371.91

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Solution

The fourth proportional to 8,195,899.59, 11,299,827.02 and 6,720,371.91 is: 9,265,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,899.59 : 11,299,827.02 = 6,720,371.91 : x
  2. Step 2: Convert to fraction form
    8,195,899.59/11,299,827.02 = 6,720,371.91/x
  3. Step 3: Cross multiply
    8,195,899.59x = 11,299,827.02 × 6,720,371.91
  4. Step 4: Simplify right side
    8,195,899.59x = 75,939,040,059,465.16
  5. Step 5: Solve for x
    x = 75,939,040,059,465.16/8,195,899.59
  6. Step 6: Final answer
    x = 9,265,491.75

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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.