Home / 20,900,188.59-31,342,295.17-6,875,156.53

Finding the Fourth Proportional to 20,900,188.59, 31,342,295.17 and 6,875,156.53

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Solution

The fourth proportional to 20,900,188.59, 31,342,295.17 and 6,875,156.53 is: 10,310,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,188.59 : 31,342,295.17 = 6,875,156.53 : x
  2. Step 2: Convert to fraction form
    20,900,188.59/31,342,295.17 = 6,875,156.53/x
  3. Step 3: Cross multiply
    20,900,188.59x = 31,342,295.17 × 6,875,156.53
  4. Step 4: Simplify right side
    20,900,188.59x = 215,483,185,303,212.97
  5. Step 5: Solve for x
    x = 215,483,185,303,212.97/20,900,188.59
  6. Step 6: Final answer
    x = 10,310,107.22

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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.