Home / 12,481,695.90-18,724,617.45-4,908,908.70

Finding the Fourth Proportional to 12,481,695.90, 18,724,617.45 and 4,908,908.70

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Solution

The fourth proportional to 12,481,695.90, 18,724,617.45 and 4,908,908.70 is: 7,364,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,695.90 : 18,724,617.45 = 4,908,908.70 : x
  2. Step 2: Convert to fraction form
    12,481,695.90/18,724,617.45 = 4,908,908.70/x
  3. Step 3: Cross multiply
    12,481,695.90x = 18,724,617.45 × 4,908,908.70
  4. Step 4: Simplify right side
    12,481,695.90x = 91,917,437,504,476.81
  5. Step 5: Solve for x
    x = 91,917,437,504,476.81/12,481,695.90
  6. Step 6: Final answer
    x = 7,364,178.57

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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.