Home / 7,128,018.20-10,692,027.30-6,708,114.20

Finding the Fourth Proportional to 7,128,018.20, 10,692,027.30 and 6,708,114.20

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Solution

The fourth proportional to 7,128,018.20, 10,692,027.30 and 6,708,114.20 is: 10,062,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,018.20 : 10,692,027.30 = 6,708,114.20 : x
  2. Step 2: Convert to fraction form
    7,128,018.20/10,692,027.30 = 6,708,114.20/x
  3. Step 3: Cross multiply
    7,128,018.20x = 10,692,027.30 × 6,708,114.20
  4. Step 4: Simplify right side
    7,128,018.20x = 71,723,340,157,917.67
  5. Step 5: Solve for x
    x = 71,723,340,157,917.67/7,128,018.20
  6. Step 6: Final answer
    x = 10,062,171.30

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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.