Home / 47,261,440.56-70,885,861.20-13,179,932.40

Finding the Fourth Proportional to 47,261,440.56, 70,885,861.20 and 13,179,932.40

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Solution

The fourth proportional to 47,261,440.56, 70,885,861.20 and 13,179,932.40 is: 19,768,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,440.56 : 70,885,861.20 = 13,179,932.40 : x
  2. Step 2: Convert to fraction form
    47,261,440.56/70,885,861.20 = 13,179,932.40/x
  3. Step 3: Cross multiply
    47,261,440.56x = 70,885,861.20 × 13,179,932.40
  4. Step 4: Simplify right side
    47,261,440.56x = 934,270,858,731,783
  5. Step 5: Solve for x
    x = 934,270,858,731,783/47,261,440.56
  6. Step 6: Final answer
    x = 19,768,141.80

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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.