Home / 37,888,911.26-52,286,653.02-20,485,215.16

Finding the Fourth Proportional to 37,888,911.26, 52,286,653.02 and 20,485,215.16

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Solution

The fourth proportional to 37,888,911.26, 52,286,653.02 and 20,485,215.16 is: 28,269,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,888,911.26 : 52,286,653.02 = 20,485,215.16 : x
  2. Step 2: Convert to fraction form
    37,888,911.26/52,286,653.02 = 20,485,215.16/x
  3. Step 3: Cross multiply
    37,888,911.26x = 52,286,653.02 × 20,485,215.16
  4. Step 4: Simplify right side
    37,888,911.26x = 1,071,103,337,110,963.88
  5. Step 5: Solve for x
    x = 1,071,103,337,110,963.88/37,888,911.26
  6. Step 6: Final answer
    x = 28,269,572.85

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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.