Home / 28,815,173.77-43,225,787.75-9,385,913.86

Finding the Fourth Proportional to 28,815,173.77, 43,225,787.75 and 9,385,913.86

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Solution

The fourth proportional to 28,815,173.77, 43,225,787.75 and 9,385,913.86 is: 14,079,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,173.77 : 43,225,787.75 = 9,385,913.86 : x
  2. Step 2: Convert to fraction form
    28,815,173.77/43,225,787.75 = 9,385,913.86/x
  3. Step 3: Cross multiply
    28,815,173.77x = 43,225,787.75 × 9,385,913.86
  4. Step 4: Simplify right side
    28,815,173.77x = 405,713,520,493,090
  5. Step 5: Solve for x
    x = 405,713,520,493,090/28,815,173.77
  6. Step 6: Final answer
    x = 14,079,856.81

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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.