Home / 37,188,001.80-55,782,002.70-12,918,862.80

Finding the Fourth Proportional to 37,188,001.80, 55,782,002.70 and 12,918,862.80

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Solution

The fourth proportional to 37,188,001.80, 55,782,002.70 and 12,918,862.80 is: 19,378,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188,001.80 : 55,782,002.70 = 12,918,862.80 : x
  2. Step 2: Convert to fraction form
    37,188,001.80/55,782,002.70 = 12,918,862.80/x
  3. Step 3: Cross multiply
    37,188,001.80x = 55,782,002.70 × 12,918,862.80
  4. Step 4: Simplify right side
    37,188,001.80x = 720,640,039,590,529.62
  5. Step 5: Solve for x
    x = 720,640,039,590,529.62/37,188,001.80
  6. Step 6: Final answer
    x = 19,378,294.20

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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.