Home / 6,415,034.76-9,623,988-2,155,086.54

Finding the Fourth Proportional to 6,415,034.76, 9,623,988 and 2,155,086.54

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Solution

The fourth proportional to 6,415,034.76, 9,623,988 and 2,155,086.54 is: 3,233,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,034.76 : 9,623,988 = 2,155,086.54 : x
  2. Step 2: Convert to fraction form
    6,415,034.76/9,623,988 = 2,155,086.54/x
  3. Step 3: Cross multiply
    6,415,034.76x = 9,623,988 × 2,155,086.54
  4. Step 4: Simplify right side
    6,415,034.76x = 20,740,526,999,921.52
  5. Step 5: Solve for x
    x = 20,740,526,999,921.52/6,415,034.76
  6. Step 6: Final answer
    x = 3,233,112.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.