Home / 13,601,977.92-18,769,300.16-7,719,741.32

Finding the Fourth Proportional to 13,601,977.92, 18,769,300.16 and 7,719,741.32

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Solution

The fourth proportional to 13,601,977.92, 18,769,300.16 and 7,719,741.32 is: 10,652,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,977.92 : 18,769,300.16 = 7,719,741.32 : x
  2. Step 2: Convert to fraction form
    13,601,977.92/18,769,300.16 = 7,719,741.32/x
  3. Step 3: Cross multiply
    13,601,977.92x = 18,769,300.16 × 7,719,741.32
  4. Step 4: Simplify right side
    13,601,977.92x = 144,894,141,860,189.41
  5. Step 5: Solve for x
    x = 144,894,141,860,189.41/13,601,977.92
  6. Step 6: Final answer
    x = 10,652,431.78

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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.