Home / 10,649,003.79-15,980,693.01-4,171,275.62

Finding the Fourth Proportional to 10,649,003.79, 15,980,693.01 and 4,171,275.62

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Solution

The fourth proportional to 10,649,003.79, 15,980,693.01 and 4,171,275.62 is: 6,259,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,003.79 : 15,980,693.01 = 4,171,275.62 : x
  2. Step 2: Convert to fraction form
    10,649,003.79/15,980,693.01 = 4,171,275.62/x
  3. Step 3: Cross multiply
    10,649,003.79x = 15,980,693.01 × 4,171,275.62
  4. Step 4: Simplify right side
    10,649,003.79x = 66,659,875,143,317.41
  5. Step 5: Solve for x
    x = 66,659,875,143,317.41/10,649,003.79
  6. Step 6: Final answer
    x = 6,259,728.75

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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.