Home / 28,830,081.20-43,245,121.80-9,654,465.20

Finding the Fourth Proportional to 28,830,081.20, 43,245,121.80 and 9,654,465.20

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Solution

The fourth proportional to 28,830,081.20, 43,245,121.80 and 9,654,465.20 is: 14,481,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830,081.20 : 43,245,121.80 = 9,654,465.20 : x
  2. Step 2: Convert to fraction form
    28,830,081.20/43,245,121.80 = 9,654,465.20/x
  3. Step 3: Cross multiply
    28,830,081.20x = 43,245,121.80 × 9,654,465.20
  4. Step 4: Simplify right side
    28,830,081.20x = 417,508,523,487,861.31
  5. Step 5: Solve for x
    x = 417,508,523,487,861.31/28,830,081.20
  6. Step 6: Final answer
    x = 14,481,697.80

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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.