Home / 15,035,727.74-20,749,318.54-8,160,211.58

Finding the Fourth Proportional to 15,035,727.74, 20,749,318.54 and 8,160,211.58

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Solution

The fourth proportional to 15,035,727.74, 20,749,318.54 and 8,160,211.58 is: 11,261,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,727.74 : 20,749,318.54 = 8,160,211.58 : x
  2. Step 2: Convert to fraction form
    15,035,727.74/20,749,318.54 = 8,160,211.58/x
  3. Step 3: Cross multiply
    15,035,727.74x = 20,749,318.54 × 8,160,211.58
  4. Step 4: Simplify right side
    15,035,727.74x = 169,318,829,427,216.69
  5. Step 5: Solve for x
    x = 169,318,829,427,216.69/15,035,727.74
  6. Step 6: Final answer
    x = 11,261,099.72

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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.