Home / 36,700,128.45-55,048,443.07-12,436,675.65

Finding the Fourth Proportional to 36,700,128.45, 55,048,443.07 and 12,436,675.65

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Solution

The fourth proportional to 36,700,128.45, 55,048,443.07 and 12,436,675.65 is: 18,654,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700,128.45 : 55,048,443.07 = 12,436,675.65 : x
  2. Step 2: Convert to fraction form
    36,700,128.45/55,048,443.07 = 12,436,675.65/x
  3. Step 3: Cross multiply
    36,700,128.45x = 55,048,443.07 × 12,436,675.65
  4. Step 4: Simplify right side
    36,700,128.45x = 684,619,631,499,080.25
  5. Step 5: Solve for x
    x = 684,619,631,499,080.25/36,700,128.45
  6. Step 6: Final answer
    x = 18,654,420.58

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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.