Home / 13,818,754.40-20,728,131.60-10,630,108.40

Finding the Fourth Proportional to 13,818,754.40, 20,728,131.60 and 10,630,108.40

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Solution

The fourth proportional to 13,818,754.40, 20,728,131.60 and 10,630,108.40 is: 15,945,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,754.40 : 20,728,131.60 = 10,630,108.40 : x
  2. Step 2: Convert to fraction form
    13,818,754.40/20,728,131.60 = 10,630,108.40/x
  3. Step 3: Cross multiply
    13,818,754.40x = 20,728,131.60 × 10,630,108.40
  4. Step 4: Simplify right side
    13,818,754.40x = 220,342,285,837,465.47
  5. Step 5: Solve for x
    x = 220,342,285,837,465.47/13,818,754.40
  6. Step 6: Final answer
    x = 15,945,162.60

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Similar ratio
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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.