Home / 37,378,140.21-51,581,843.01-20,632,889.30

Finding the Fourth Proportional to 37,378,140.21, 51,581,843.01 and 20,632,889.30

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Solution

The fourth proportional to 37,378,140.21, 51,581,843.01 and 20,632,889.30 is: 28,473,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378,140.21 : 51,581,843.01 = 20,632,889.30 : x
  2. Step 2: Convert to fraction form
    37,378,140.21/51,581,843.01 = 20,632,889.30/x
  3. Step 3: Cross multiply
    37,378,140.21x = 51,581,843.01 × 20,632,889.30
  4. Step 4: Simplify right side
    37,378,140.21x = 1,064,282,456,653,256.50
  5. Step 5: Solve for x
    x = 1,064,282,456,653,256.50/37,378,140.21
  6. Step 6: Final answer
    x = 28,473,392.49

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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.