Home / 37,155,190.80-55,732,786.20-12,886,051.80

Finding the Fourth Proportional to 37,155,190.80, 55,732,786.20 and 12,886,051.80

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Solution

The fourth proportional to 37,155,190.80, 55,732,786.20 and 12,886,051.80 is: 19,329,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155,190.80 : 55,732,786.20 = 12,886,051.80 : x
  2. Step 2: Convert to fraction form
    37,155,190.80/55,732,786.20 = 12,886,051.80/x
  3. Step 3: Cross multiply
    37,155,190.80x = 55,732,786.20 × 12,886,051.80
  4. Step 4: Simplify right side
    37,155,190.80x = 718,175,569,931,525.25
  5. Step 5: Solve for x
    x = 718,175,569,931,525.25/37,155,190.80
  6. Step 6: Final answer
    x = 19,329,077.70

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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.