Home / 10,317,608.10-15,476,412.15-10,158,175.80

Finding the Fourth Proportional to 10,317,608.10, 15,476,412.15 and 10,158,175.80

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Solution

The fourth proportional to 10,317,608.10, 15,476,412.15 and 10,158,175.80 is: 15,237,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,608.10 : 15,476,412.15 = 10,158,175.80 : x
  2. Step 2: Convert to fraction form
    10,317,608.10/15,476,412.15 = 10,158,175.80/x
  3. Step 3: Cross multiply
    10,317,608.10x = 15,476,412.15 × 10,158,175.80
  4. Step 4: Simplify right side
    10,317,608.10x = 157,212,115,372,956
  5. Step 5: Solve for x
    x = 157,212,115,372,956/10,317,608.10
  6. Step 6: Final answer
    x = 15,237,263.70

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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.