Home / 8,045,991.45-12,068,987.18-7,672,743.45

Finding the Fourth Proportional to 8,045,991.45, 12,068,987.18 and 7,672,743.45

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Solution

The fourth proportional to 8,045,991.45, 12,068,987.18 and 7,672,743.45 is: 11,509,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,991.45 : 12,068,987.18 = 7,672,743.45 : x
  2. Step 2: Convert to fraction form
    8,045,991.45/12,068,987.18 = 7,672,743.45/x
  3. Step 3: Cross multiply
    8,045,991.45x = 12,068,987.18 × 7,672,743.45
  4. Step 4: Simplify right side
    8,045,991.45x = 92,602,242,295,115.27
  5. Step 5: Solve for x
    x = 92,602,242,295,115.27/8,045,991.45
  6. Step 6: Final answer
    x = 11,509,115.18

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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.