Home / 8,353,407.20-12,530,110.80-5,802,490.40

Finding the Fourth Proportional to 8,353,407.20, 12,530,110.80 and 5,802,490.40

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Solution

The fourth proportional to 8,353,407.20, 12,530,110.80 and 5,802,490.40 is: 8,703,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,407.20 : 12,530,110.80 = 5,802,490.40 : x
  2. Step 2: Convert to fraction form
    8,353,407.20/12,530,110.80 = 5,802,490.40/x
  3. Step 3: Cross multiply
    8,353,407.20x = 12,530,110.80 × 5,802,490.40
  4. Step 4: Simplify right side
    8,353,407.20x = 72,705,847,627,936.33
  5. Step 5: Solve for x
    x = 72,705,847,627,936.33/8,353,407.20
  6. Step 6: Final answer
    x = 8,703,735.60

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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.