Home / 13,309,008.70-19,963,513.05-4,786,269.70

Finding the Fourth Proportional to 13,309,008.70, 19,963,513.05 and 4,786,269.70

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Solution

The fourth proportional to 13,309,008.70, 19,963,513.05 and 4,786,269.70 is: 7,179,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,008.70 : 19,963,513.05 = 4,786,269.70 : x
  2. Step 2: Convert to fraction form
    13,309,008.70/19,963,513.05 = 4,786,269.70/x
  3. Step 3: Cross multiply
    13,309,008.70x = 19,963,513.05 × 4,786,269.70
  4. Step 4: Simplify right side
    13,309,008.70x = 95,550,757,616,769.59
  5. Step 5: Solve for x
    x = 95,550,757,616,769.59/13,309,008.70
  6. Step 6: Final answer
    x = 7,179,404.55

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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.