Home / 9,078,111.40-13,617,167.10-8,385,269.80

Finding the Fourth Proportional to 9,078,111.40, 13,617,167.10 and 8,385,269.80

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Solution

The fourth proportional to 9,078,111.40, 13,617,167.10 and 8,385,269.80 is: 12,577,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,111.40 : 13,617,167.10 = 8,385,269.80 : x
  2. Step 2: Convert to fraction form
    9,078,111.40/13,617,167.10 = 8,385,269.80/x
  3. Step 3: Cross multiply
    9,078,111.40x = 13,617,167.10 × 8,385,269.80
  4. Step 4: Simplify right side
    9,078,111.40x = 114,183,620,045,183.58
  5. Step 5: Solve for x
    x = 114,183,620,045,183.58/9,078,111.40
  6. Step 6: Final answer
    x = 12,577,904.70

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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.