Home / 51,548,756.80-77,371,727.34-18,790,988.10

Finding the Fourth Proportional to 51,548,756.80, 77,371,727.34 and 18,790,988.10

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Solution

The fourth proportional to 51,548,756.80, 77,371,727.34 and 18,790,988.10 is: 28,204,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548,756.80 : 77,371,727.34 = 18,790,988.10 : x
  2. Step 2: Convert to fraction form
    51,548,756.80/77,371,727.34 = 18,790,988.10/x
  3. Step 3: Cross multiply
    51,548,756.80x = 77,371,727.34 × 18,790,988.10
  4. Step 4: Simplify right side
    51,548,756.80x = 1,453,891,207,722,384.75
  5. Step 5: Solve for x
    x = 1,453,891,207,722,384.75/51,548,756.80
  6. Step 6: Final answer
    x = 28,204,195.37

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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.