Home / 8,190,621.70-12,285,932.55-6,596,298.70

Finding the Fourth Proportional to 8,190,621.70, 12,285,932.55 and 6,596,298.70

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Solution

The fourth proportional to 8,190,621.70, 12,285,932.55 and 6,596,298.70 is: 9,894,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,621.70 : 12,285,932.55 = 6,596,298.70 : x
  2. Step 2: Convert to fraction form
    8,190,621.70/12,285,932.55 = 6,596,298.70/x
  3. Step 3: Cross multiply
    8,190,621.70x = 12,285,932.55 × 6,596,298.70
  4. Step 4: Simplify right side
    8,190,621.70x = 81,041,680,907,852.69
  5. Step 5: Solve for x
    x = 81,041,680,907,852.69/8,190,621.70
  6. Step 6: Final answer
    x = 9,894,448.05

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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.