Home / 12,858,701.80-19,288,052.70-5,666,533.60

Finding the Fourth Proportional to 12,858,701.80, 19,288,052.70 and 5,666,533.60

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Solution

The fourth proportional to 12,858,701.80, 19,288,052.70 and 5,666,533.60 is: 8,499,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,701.80 : 19,288,052.70 = 5,666,533.60 : x
  2. Step 2: Convert to fraction form
    12,858,701.80/19,288,052.70 = 5,666,533.60/x
  3. Step 3: Cross multiply
    12,858,701.80x = 19,288,052.70 × 5,666,533.60
  4. Step 4: Simplify right side
    12,858,701.80x = 109,296,398,703,120.70
  5. Step 5: Solve for x
    x = 109,296,398,703,120.70/12,858,701.80
  6. Step 6: Final answer
    x = 8,499,800.40

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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.