Home / 13,204,306.72-18,200,888.55-10,408,871.70

Finding the Fourth Proportional to 13,204,306.72, 18,200,888.55 and 10,408,871.70

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Solution

The fourth proportional to 13,204,306.72, 18,200,888.55 and 10,408,871.70 is: 14,347,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,306.72 : 18,200,888.55 = 10,408,871.70 : x
  2. Step 2: Convert to fraction form
    13,204,306.72/18,200,888.55 = 10,408,871.70/x
  3. Step 3: Cross multiply
    13,204,306.72x = 18,200,888.55 × 10,408,871.70
  4. Step 4: Simplify right side
    13,204,306.72x = 189,450,713,797,809.22
  5. Step 5: Solve for x
    x = 189,450,713,797,809.22/13,204,306.72
  6. Step 6: Final answer
    x = 14,347,645.64

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1.5x scale

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.