Home / 37,279,138.39-55,927,509.58-11,720,147.80

Finding the Fourth Proportional to 37,279,138.39, 55,927,509.58 and 11,720,147.80

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Solution

The fourth proportional to 37,279,138.39, 55,927,509.58 and 11,720,147.80 is: 17,582,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279,138.39 : 55,927,509.58 = 11,720,147.80 : x
  2. Step 2: Convert to fraction form
    37,279,138.39/55,927,509.58 = 11,720,147.80/x
  3. Step 3: Cross multiply
    37,279,138.39x = 55,927,509.58 × 11,720,147.80
  4. Step 4: Simplify right side
    37,279,138.39x = 655,478,678,343,211.38
  5. Step 5: Solve for x
    x = 655,478,678,343,211.38/37,279,138.39
  6. Step 6: Final answer
    x = 17,582,988.95

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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.