Home / 14,220,768.20-21,331,152.30-8,538,067.40

Finding the Fourth Proportional to 14,220,768.20, 21,331,152.30 and 8,538,067.40

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Solution

The fourth proportional to 14,220,768.20, 21,331,152.30 and 8,538,067.40 is: 12,807,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220,768.20 : 21,331,152.30 = 8,538,067.40 : x
  2. Step 2: Convert to fraction form
    14,220,768.20/21,331,152.30 = 8,538,067.40/x
  3. Step 3: Cross multiply
    14,220,768.20x = 21,331,152.30 × 8,538,067.40
  4. Step 4: Simplify right side
    14,220,768.20x = 182,126,816,057,065.03
  5. Step 5: Solve for x
    x = 182,126,816,057,065.03/14,220,768.20
  6. Step 6: Final answer
    x = 12,807,101.10

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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.