Home / 18,680,421.64-28,028,724.38-10,034,433.64

Finding the Fourth Proportional to 18,680,421.64, 28,028,724.38 and 10,034,433.64

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Solution

The fourth proportional to 18,680,421.64, 28,028,724.38 and 10,034,433.64 is: 15,055,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,421.64 : 28,028,724.38 = 10,034,433.64 : x
  2. Step 2: Convert to fraction form
    18,680,421.64/28,028,724.38 = 10,034,433.64/x
  3. Step 3: Cross multiply
    18,680,421.64x = 28,028,724.38 × 10,034,433.64
  4. Step 4: Simplify right side
    18,680,421.64x = 281,252,374,804,960.16
  5. Step 5: Solve for x
    x = 281,252,374,804,960.16/18,680,421.64
  6. Step 6: Final answer
    x = 15,055,997.14

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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.