Home / 16,507,850.40-24,761,775.60-12,728,714.40

Finding the Fourth Proportional to 16,507,850.40, 24,761,775.60 and 12,728,714.40

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Solution

The fourth proportional to 16,507,850.40, 24,761,775.60 and 12,728,714.40 is: 19,093,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,850.40 : 24,761,775.60 = 12,728,714.40 : x
  2. Step 2: Convert to fraction form
    16,507,850.40/24,761,775.60 = 12,728,714.40/x
  3. Step 3: Cross multiply
    16,507,850.40x = 24,761,775.60 × 12,728,714.40
  4. Step 4: Simplify right side
    16,507,850.40x = 315,185,569,649,288.69
  5. Step 5: Solve for x
    x = 315,185,569,649,288.69/16,507,850.40
  6. Step 6: Final answer
    x = 19,093,071.60

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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.