Home / 13,555,181.56-18,705,639.72-7,360,094.38

Finding the Fourth Proportional to 13,555,181.56, 18,705,639.72 and 7,360,094.38

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Solution

The fourth proportional to 13,555,181.56, 18,705,639.72 and 7,360,094.38 is: 10,156,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,181.56 : 18,705,639.72 = 7,360,094.38 : x
  2. Step 2: Convert to fraction form
    13,555,181.56/18,705,639.72 = 7,360,094.38/x
  3. Step 3: Cross multiply
    13,555,181.56x = 18,705,639.72 × 7,360,094.38
  4. Step 4: Simplify right side
    13,555,181.56x = 137,675,273,777,476.77
  5. Step 5: Solve for x
    x = 137,675,273,777,476.77/13,555,181.56
  6. Step 6: Final answer
    x = 10,156,652.88

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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.