Home / 9,099,009.90-13,648,514.85-8,406,168.30

Finding the Fourth Proportional to 9,099,009.90, 13,648,514.85 and 8,406,168.30

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Solution

The fourth proportional to 9,099,009.90, 13,648,514.85 and 8,406,168.30 is: 12,609,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099,009.90 : 13,648,514.85 = 8,406,168.30 : x
  2. Step 2: Convert to fraction form
    9,099,009.90/13,648,514.85 = 8,406,168.30/x
  3. Step 3: Cross multiply
    9,099,009.90x = 13,648,514.85 × 8,406,168.30
  4. Step 4: Simplify right side
    9,099,009.90x = 114,731,712,874,149.27
  5. Step 5: Solve for x
    x = 114,731,712,874,149.27/9,099,009.90
  6. Step 6: Final answer
    x = 12,609,252.45

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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.