Home / 28,704,935.20-43,065,697.20-8,510,663.20

Finding the Fourth Proportional to 28,704,935.20, 43,065,697.20 and 8,510,663.20

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Solution

The fourth proportional to 28,704,935.20, 43,065,697.20 and 8,510,663.20 is: 12,768,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704,935.20 : 43,065,697.20 = 8,510,663.20 : x
  2. Step 2: Convert to fraction form
    28,704,935.20/43,065,697.20 = 8,510,663.20/x
  3. Step 3: Cross multiply
    28,704,935.20x = 43,065,697.20 × 8,510,663.20
  4. Step 4: Simplify right side
    28,704,935.20x = 366,517,644,342,383.06
  5. Step 5: Solve for x
    x = 366,517,644,342,383.06/28,704,935.20
  6. Step 6: Final answer
    x = 12,768,453.99

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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.