Home / 15,028,892.64-20,739,912.05-8,153,374.71

Finding the Fourth Proportional to 15,028,892.64, 20,739,912.05 and 8,153,374.71

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Solution

The fourth proportional to 15,028,892.64, 20,739,912.05 and 8,153,374.71 is: 11,251,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,892.64 : 20,739,912.05 = 8,153,374.71 : x
  2. Step 2: Convert to fraction form
    15,028,892.64/20,739,912.05 = 8,153,374.71/x
  3. Step 3: Cross multiply
    15,028,892.64x = 20,739,912.05 × 8,153,374.71
  4. Step 4: Simplify right side
    15,028,892.64x = 169,100,274,355,327.41
  5. Step 5: Solve for x
    x = 169,100,274,355,327.41/15,028,892.64
  6. Step 6: Final answer
    x = 11,251,678.91

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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.