Home / 40,784,518.73-56,284,120.79-22,198,760.47

Finding the Fourth Proportional to 40,784,518.73, 56,284,120.79 and 22,198,760.47

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Solution

The fourth proportional to 40,784,518.73, 56,284,120.79 and 22,198,760.47 is: 30,635,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784,518.73 : 56,284,120.79 = 22,198,760.47 : x
  2. Step 2: Convert to fraction form
    40,784,518.73/56,284,120.79 = 22,198,760.47/x
  3. Step 3: Cross multiply
    40,784,518.73x = 56,284,120.79 × 22,198,760.47
  4. Step 4: Simplify right side
    40,784,518.73x = 1,249,437,715,724,364
  5. Step 5: Solve for x
    x = 1,249,437,715,724,364/40,784,518.73
  6. Step 6: Final answer
    x = 30,635,097.70

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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.