Home / 15,272,811.36-21,076,290.72-8,397,233.28

Finding the Fourth Proportional to 15,272,811.36, 21,076,290.72 and 8,397,233.28

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Solution

The fourth proportional to 15,272,811.36, 21,076,290.72 and 8,397,233.28 is: 11,588,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,811.36 : 21,076,290.72 = 8,397,233.28 : x
  2. Step 2: Convert to fraction form
    15,272,811.36/21,076,290.72 = 8,397,233.28/x
  3. Step 3: Cross multiply
    15,272,811.36x = 21,076,290.72 × 8,397,233.28
  4. Step 4: Simplify right side
    15,272,811.36x = 176,982,529,852,939.12
  5. Step 5: Solve for x
    x = 176,982,529,852,939.12/15,272,811.36
  6. Step 6: Final answer
    x = 11,588,078.03

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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.