Home / 10,367,996.70-15,551,995.05-7,166,358.30

Finding the Fourth Proportional to 10,367,996.70, 15,551,995.05 and 7,166,358.30

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Solution

The fourth proportional to 10,367,996.70, 15,551,995.05 and 7,166,358.30 is: 10,749,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,996.70 : 15,551,995.05 = 7,166,358.30 : x
  2. Step 2: Convert to fraction form
    10,367,996.70/15,551,995.05 = 7,166,358.30/x
  3. Step 3: Cross multiply
    10,367,996.70x = 15,551,995.05 × 7,166,358.30
  4. Step 4: Simplify right side
    10,367,996.70x = 111,451,168,808,126.42
  5. Step 5: Solve for x
    x = 111,451,168,808,126.42/10,367,996.70
  6. Step 6: Final answer
    x = 10,749,537.45

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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.