Home / 37,980,971.54-52,413,669.81-20,577,749.30

Finding the Fourth Proportional to 37,980,971.54, 52,413,669.81 and 20,577,749.30

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Solution

The fourth proportional to 37,980,971.54, 52,413,669.81 and 20,577,749.30 is: 28,397,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980,971.54 : 52,413,669.81 = 20,577,749.30 : x
  2. Step 2: Convert to fraction form
    37,980,971.54/52,413,669.81 = 20,577,749.30/x
  3. Step 3: Cross multiply
    37,980,971.54x = 52,413,669.81 × 20,577,749.30
  4. Step 4: Simplify right side
    37,980,971.54x = 1,078,555,357,243,158.75
  5. Step 5: Solve for x
    x = 1,078,555,357,243,158.75/37,980,971.54
  6. Step 6: Final answer
    x = 28,397,255.61

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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.