Home / 28,072,583.52-42,112,892.12-8,643,453.44

Finding the Fourth Proportional to 28,072,583.52, 42,112,892.12 and 8,643,453.44

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Solution

The fourth proportional to 28,072,583.52, 42,112,892.12 and 8,643,453.44 is: 12,966,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,583.52 : 42,112,892.12 = 8,643,453.44 : x
  2. Step 2: Convert to fraction form
    28,072,583.52/42,112,892.12 = 8,643,453.44/x
  3. Step 3: Cross multiply
    28,072,583.52x = 42,112,892.12 × 8,643,453.44
  4. Step 4: Simplify right side
    28,072,583.52x = 364,000,822,074,007.12
  5. Step 5: Solve for x
    x = 364,000,822,074,007.12/28,072,583.52
  6. Step 6: Final answer
    x = 12,966,416.92

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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.