Home / 39,185,751.03-54,076,981.64-21,545,399.31

Finding the Fourth Proportional to 39,185,751.03, 54,076,981.64 and 21,545,399.31

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Solution

The fourth proportional to 39,185,751.03, 54,076,981.64 and 21,545,399.31 is: 29,733,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185,751.03 : 54,076,981.64 = 21,545,399.31 : x
  2. Step 2: Convert to fraction form
    39,185,751.03/54,076,981.64 = 21,545,399.31/x
  3. Step 3: Cross multiply
    39,185,751.03x = 54,076,981.64 × 21,545,399.31
  4. Step 4: Simplify right side
    39,185,751.03x = 1,165,110,162,805,611.50
  5. Step 5: Solve for x
    x = 1,165,110,162,805,611.50/39,185,751.03
  6. Step 6: Final answer
    x = 29,733,005.80

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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.