Home / 8,189,573.40-12,284,360.10-5,502,187.80

Finding the Fourth Proportional to 8,189,573.40, 12,284,360.10 and 5,502,187.80

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Solution

The fourth proportional to 8,189,573.40, 12,284,360.10 and 5,502,187.80 is: 8,253,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,573.40 : 12,284,360.10 = 5,502,187.80 : x
  2. Step 2: Convert to fraction form
    8,189,573.40/12,284,360.10 = 5,502,187.80/x
  3. Step 3: Cross multiply
    8,189,573.40x = 12,284,360.10 × 5,502,187.80
  4. Step 4: Simplify right side
    8,189,573.40x = 67,590,856,273,026.77
  5. Step 5: Solve for x
    x = 67,590,856,273,026.77/8,189,573.40
  6. Step 6: Final answer
    x = 8,253,281.70

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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.