Home / 40,784,520.72-56,284,123.54-22,198,762.48

Finding the Fourth Proportional to 40,784,520.72, 56,284,123.54 and 22,198,762.48

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Solution

The fourth proportional to 40,784,520.72, 56,284,123.54 and 22,198,762.48 is: 30,635,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784,520.72 : 56,284,123.54 = 22,198,762.48 : x
  2. Step 2: Convert to fraction form
    40,784,520.72/56,284,123.54 = 22,198,762.48/x
  3. Step 3: Cross multiply
    40,784,520.72x = 56,284,123.54 × 22,198,762.48
  4. Step 4: Simplify right side
    40,784,520.72x = 1,249,437,889,859,436.75
  5. Step 5: Solve for x
    x = 1,249,437,889,859,436.75/40,784,520.72
  6. Step 6: Final answer
    x = 30,635,100.47

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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.