Home / 8,129,685.54-12,194,533.35-2,064,872.10

Finding the Fourth Proportional to 8,129,685.54, 12,194,533.35 and 2,064,872.10

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Solution

The fourth proportional to 8,129,685.54, 12,194,533.35 and 2,064,872.10 is: 3,097,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,685.54 : 12,194,533.35 = 2,064,872.10 : x
  2. Step 2: Convert to fraction form
    8,129,685.54/12,194,533.35 = 2,064,872.10/x
  3. Step 3: Cross multiply
    8,129,685.54x = 12,194,533.35 × 2,064,872.10
  4. Step 4: Simplify right side
    8,129,685.54x = 25,180,151,686,934.54
  5. Step 5: Solve for x
    x = 25,180,151,686,934.54/8,129,685.54
  6. Step 6: Final answer
    x = 3,097,309.43

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Double scale
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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.