Home / 15,028,887.96-20,739,872.82-8,153,368.20

Finding the Fourth Proportional to 15,028,887.96, 20,739,872.82 and 8,153,368.20

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Solution

The fourth proportional to 15,028,887.96, 20,739,872.82 and 8,153,368.20 is: 11,251,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,887.96 : 20,739,872.82 = 8,153,368.20 : x
  2. Step 2: Convert to fraction form
    15,028,887.96/20,739,872.82 = 8,153,368.20/x
  3. Step 3: Cross multiply
    15,028,887.96x = 20,739,872.82 × 8,153,368.20
  4. Step 4: Simplify right side
    15,028,887.96x = 169,099,819,522,632.34
  5. Step 5: Solve for x
    x = 169,099,819,522,632.34/15,028,887.96
  6. Step 6: Final answer
    x = 11,251,652.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.