Home / 5,416,790.40-8,127,259.20-5,331,772.80

Finding the Fourth Proportional to 5,416,790.40, 8,127,259.20 and 5,331,772.80

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Solution

The fourth proportional to 5,416,790.40, 8,127,259.20 and 5,331,772.80 is: 7,999,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416,790.40 : 8,127,259.20 = 5,331,772.80 : x
  2. Step 2: Convert to fraction form
    5,416,790.40/8,127,259.20 = 5,331,772.80/x
  3. Step 3: Cross multiply
    5,416,790.40x = 8,127,259.20 × 5,331,772.80
  4. Step 4: Simplify right side
    5,416,790.40x = 43,332,699,541,109.76
  5. Step 5: Solve for x
    x = 43,332,699,541,109.76/5,416,790.40
  6. Step 6: Final answer
    x = 7,999,700.25

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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.