Home / 12,786,011.81-19,186,584.49-4,704,662.55

Finding the Fourth Proportional to 12,786,011.81, 19,186,584.49 and 4,704,662.55

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Solution

The fourth proportional to 12,786,011.81, 19,186,584.49 and 4,704,662.55 is: 7,059,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,011.81 : 19,186,584.49 = 4,704,662.55 : x
  2. Step 2: Convert to fraction form
    12,786,011.81/19,186,584.49 = 4,704,662.55/x
  3. Step 3: Cross multiply
    12,786,011.81x = 19,186,584.49 × 4,704,662.55
  4. Step 4: Simplify right side
    12,786,011.81x = 90,266,405,512,513.84
  5. Step 5: Solve for x
    x = 90,266,405,512,513.84/12,786,011.81
  6. Step 6: Final answer
    x = 7,059,778.05

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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.