Home / 8,798,416.80-13,197,625.20-7,381,240.80

Finding the Fourth Proportional to 8,798,416.80, 13,197,625.20 and 7,381,240.80

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Solution

The fourth proportional to 8,798,416.80, 13,197,625.20 and 7,381,240.80 is: 11,071,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,416.80 : 13,197,625.20 = 7,381,240.80 : x
  2. Step 2: Convert to fraction form
    8,798,416.80/13,197,625.20 = 7,381,240.80/x
  3. Step 3: Cross multiply
    8,798,416.80x = 13,197,625.20 × 7,381,240.80
  4. Step 4: Simplify right side
    8,798,416.80x = 97,414,849,589,348.16
  5. Step 5: Solve for x
    x = 97,414,849,589,348.16/8,798,416.80
  6. Step 6: Final answer
    x = 11,071,861.20

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Double scale
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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.