Home / 13,903,624.80-20,855,437.20-13,336,754.40

Finding the Fourth Proportional to 13,903,624.80, 20,855,437.20 and 13,336,754.40

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Solution

The fourth proportional to 13,903,624.80, 20,855,437.20 and 13,336,754.40 is: 20,005,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,624.80 : 20,855,437.20 = 13,336,754.40 : x
  2. Step 2: Convert to fraction form
    13,903,624.80/20,855,437.20 = 13,336,754.40/x
  3. Step 3: Cross multiply
    13,903,624.80x = 20,855,437.20 × 13,336,754.40
  4. Step 4: Simplify right side
    13,903,624.80x = 278,143,843,841,023.69
  5. Step 5: Solve for x
    x = 278,143,843,841,023.69/13,903,624.80
  6. Step 6: Final answer
    x = 20,005,131.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.