Home / 6,779,273.12-9,355,579.61-3,988,591.18

Finding the Fourth Proportional to 6,779,273.12, 9,355,579.61 and 3,988,591.18

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Solution

The fourth proportional to 6,779,273.12, 9,355,579.61 and 3,988,591.18 is: 5,504,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779,273.12 : 9,355,579.61 = 3,988,591.18 : x
  2. Step 2: Convert to fraction form
    6,779,273.12/9,355,579.61 = 3,988,591.18/x
  3. Step 3: Cross multiply
    6,779,273.12x = 9,355,579.61 × 3,988,591.18
  4. Step 4: Simplify right side
    6,779,273.12x = 37,315,582,272,901.94
  5. Step 5: Solve for x
    x = 37,315,582,272,901.94/6,779,273.12
  6. Step 6: Final answer
    x = 5,504,363.31

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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.