Home / 36,759,513.74-55,105,017.05-12,481,840.58

Finding the Fourth Proportional to 36,759,513.74, 55,105,017.05 and 12,481,840.58

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Solution

The fourth proportional to 36,759,513.74, 55,105,017.05 and 12,481,840.58 is: 18,711,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759,513.74 : 55,105,017.05 = 12,481,840.58 : x
  2. Step 2: Convert to fraction form
    36,759,513.74/55,105,017.05 = 12,481,840.58/x
  3. Step 3: Cross multiply
    36,759,513.74x = 55,105,017.05 × 12,481,840.58
  4. Step 4: Simplify right side
    36,759,513.74x = 687,812,037,731,961.38
  5. Step 5: Solve for x
    x = 687,812,037,731,961.38/36,759,513.74
  6. Step 6: Final answer
    x = 18,711,129.93

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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.