Home / 37,047,985.76-51,126,170.04-20,529,180.20

Finding the Fourth Proportional to 37,047,985.76, 51,126,170.04 and 20,529,180.20

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Solution

The fourth proportional to 37,047,985.76, 51,126,170.04 and 20,529,180.20 is: 28,330,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047,985.76 : 51,126,170.04 = 20,529,180.20 : x
  2. Step 2: Convert to fraction form
    37,047,985.76/51,126,170.04 = 20,529,180.20/x
  3. Step 3: Cross multiply
    37,047,985.76x = 51,126,170.04 × 20,529,180.20
  4. Step 4: Simplify right side
    37,047,985.76x = 1,049,578,357,814,816.62
  5. Step 5: Solve for x
    x = 1,049,578,357,814,816.62/37,047,985.76
  6. Step 6: Final answer
    x = 28,330,240.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.