Home / 8,020,491.40-11,065,370.07-5,268,660.58

Finding the Fourth Proportional to 8,020,491.40, 11,065,370.07 and 5,268,660.58

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Solution

The fourth proportional to 8,020,491.40, 11,065,370.07 and 5,268,660.58 is: 7,268,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,491.40 : 11,065,370.07 = 5,268,660.58 : x
  2. Step 2: Convert to fraction form
    8,020,491.40/11,065,370.07 = 5,268,660.58/x
  3. Step 3: Cross multiply
    8,020,491.40x = 11,065,370.07 × 5,268,660.58
  4. Step 4: Simplify right side
    8,020,491.40x = 58,299,679,090,920.84
  5. Step 5: Solve for x
    x = 58,299,679,090,920.84/8,020,491.40
  6. Step 6: Final answer
    x = 7,268,841.29

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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.