Home / 7,216,608.47-9,958,919.09-4,315,999.28

Finding the Fourth Proportional to 7,216,608.47, 9,958,919.09 and 4,315,999.28

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Solution

The fourth proportional to 7,216,608.47, 9,958,919.09 and 4,315,999.28 is: 5,956,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,608.47 : 9,958,919.09 = 4,315,999.28 : x
  2. Step 2: Convert to fraction form
    7,216,608.47/9,958,919.09 = 4,315,999.28/x
  3. Step 3: Cross multiply
    7,216,608.47x = 9,958,919.09 × 4,315,999.28
  4. Step 4: Simplify right side
    7,216,608.47x = 42,982,687,550,643.67
  5. Step 5: Solve for x
    x = 42,982,687,550,643.67/7,216,608.47
  6. Step 6: Final answer
    x = 5,956,078.64

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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.