Home / 7,732,136.80-11,598,053.51-3,121,000.39

Finding the Fourth Proportional to 7,732,136.80, 11,598,053.51 and 3,121,000.39

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Solution

The fourth proportional to 7,732,136.80, 11,598,053.51 and 3,121,000.39 is: 4,681,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732,136.80 : 11,598,053.51 = 3,121,000.39 : x
  2. Step 2: Convert to fraction form
    7,732,136.80/11,598,053.51 = 3,121,000.39/x
  3. Step 3: Cross multiply
    7,732,136.80x = 11,598,053.51 × 3,121,000.39
  4. Step 4: Simplify right side
    7,732,136.80x = 36,197,529,485,011.88
  5. Step 5: Solve for x
    x = 36,197,529,485,011.88/7,732,136.80
  6. Step 6: Final answer
    x = 4,681,439.35

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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.