Home / 13,739,952.56-18,960,257.40-7,628,379.44

Finding the Fourth Proportional to 13,739,952.56, 18,960,257.40 and 7,628,379.44

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Solution

The fourth proportional to 13,739,952.56, 18,960,257.40 and 7,628,379.44 is: 10,526,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,952.56 : 18,960,257.40 = 7,628,379.44 : x
  2. Step 2: Convert to fraction form
    13,739,952.56/18,960,257.40 = 7,628,379.44/x
  3. Step 3: Cross multiply
    13,739,952.56x = 18,960,257.40 × 7,628,379.44
  4. Step 4: Simplify right side
    13,739,952.56x = 144,636,037,727,267.84
  5. Step 5: Solve for x
    x = 144,636,037,727,267.84/13,739,952.56
  6. Step 6: Final answer
    x = 10,526,676.65

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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.