Home / 13,702,654.56-18,908,285.16-7,589,940.96

Finding the Fourth Proportional to 13,702,654.56, 18,908,285.16 and 7,589,940.96

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Solution

The fourth proportional to 13,702,654.56, 18,908,285.16 and 7,589,940.96 is: 10,473,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,654.56 : 18,908,285.16 = 7,589,940.96 : x
  2. Step 2: Convert to fraction form
    13,702,654.56/18,908,285.16 = 7,589,940.96/x
  3. Step 3: Cross multiply
    13,702,654.56x = 18,908,285.16 × 7,589,940.96
  4. Step 4: Simplify right side
    13,702,654.56x = 143,512,768,019,244.16
  5. Step 5: Solve for x
    x = 143,512,768,019,244.16/13,702,654.56
  6. Step 6: Final answer
    x = 10,473,355.17

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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.