Home / 14,601,784.52-20,153,158.32-9,381,318.68

Finding the Fourth Proportional to 14,601,784.52, 20,153,158.32 and 9,381,318.68

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Solution

The fourth proportional to 14,601,784.52, 20,153,158.32 and 9,381,318.68 is: 12,947,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601,784.52 : 20,153,158.32 = 9,381,318.68 : x
  2. Step 2: Convert to fraction form
    14,601,784.52/20,153,158.32 = 9,381,318.68/x
  3. Step 3: Cross multiply
    14,601,784.52x = 20,153,158.32 × 9,381,318.68
  4. Step 4: Simplify right side
    14,601,784.52x = 189,063,200,608,413.41
  5. Step 5: Solve for x
    x = 189,063,200,608,413.41/14,601,784.52
  6. Step 6: Final answer
    x = 12,947,951.69

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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.