Home / 9,117,902.10-13,676,853.15-8,697,998.10

Finding the Fourth Proportional to 9,117,902.10, 13,676,853.15 and 8,697,998.10

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Solution

The fourth proportional to 9,117,902.10, 13,676,853.15 and 8,697,998.10 is: 13,046,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,902.10 : 13,676,853.15 = 8,697,998.10 : x
  2. Step 2: Convert to fraction form
    9,117,902.10/13,676,853.15 = 8,697,998.10/x
  3. Step 3: Cross multiply
    9,117,902.10x = 13,676,853.15 × 8,697,998.10
  4. Step 4: Simplify right side
    9,117,902.10x = 118,961,242,712,679.02
  5. Step 5: Solve for x
    x = 118,961,242,712,679.02/9,117,902.10
  6. Step 6: Final answer
    x = 13,046,997.15

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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.