Home / 6,645,856.36-9,171,821.38-3,745,443.60

Finding the Fourth Proportional to 6,645,856.36, 9,171,821.38 and 3,745,443.60

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Solution

The fourth proportional to 6,645,856.36, 9,171,821.38 and 3,745,443.60 is: 5,169,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,856.36 : 9,171,821.38 = 3,745,443.60 : x
  2. Step 2: Convert to fraction form
    6,645,856.36/9,171,821.38 = 3,745,443.60/x
  3. Step 3: Cross multiply
    6,645,856.36x = 9,171,821.38 × 3,745,443.60
  4. Step 4: Simplify right side
    6,645,856.36x = 34,352,539,688,064.17
  5. Step 5: Solve for x
    x = 34,352,539,688,064.17/6,645,856.36
  6. Step 6: Final answer
    x = 5,169,016.28

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Double scale
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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.