Home / 13,443,605.44-18,553,769.92-7,643,262.40

Finding the Fourth Proportional to 13,443,605.44, 18,553,769.92 and 7,643,262.40

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Solution

The fourth proportional to 13,443,605.44, 18,553,769.92 and 7,643,262.40 is: 10,548,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,605.44 : 18,553,769.92 = 7,643,262.40 : x
  2. Step 2: Convert to fraction form
    13,443,605.44/18,553,769.92 = 7,643,262.40/x
  3. Step 3: Cross multiply
    13,443,605.44x = 18,553,769.92 × 7,643,262.40
  4. Step 4: Simplify right side
    13,443,605.44x = 141,811,332,007,787.03
  5. Step 5: Solve for x
    x = 141,811,332,007,787.03/13,443,605.44
  6. Step 6: Final answer
    x = 10,548,608.60

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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.