Home / 10,542,318.07-15,810,374.98-4,781,719.06

Finding the Fourth Proportional to 10,542,318.07, 15,810,374.98 and 4,781,719.06

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Solution

The fourth proportional to 10,542,318.07, 15,810,374.98 and 4,781,719.06 is: 7,171,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,318.07 : 15,810,374.98 = 4,781,719.06 : x
  2. Step 2: Convert to fraction form
    10,542,318.07/15,810,374.98 = 4,781,719.06/x
  3. Step 3: Cross multiply
    10,542,318.07x = 15,810,374.98 × 4,781,719.06
  4. Step 4: Simplify right side
    10,542,318.07x = 75,600,771,336,132.88
  5. Step 5: Solve for x
    x = 75,600,771,336,132.88/10,542,318.07
  6. Step 6: Final answer
    x = 7,171,171.54

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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.