Home / 17,076,331.60-25,605,742.20-5,107,512.40

Finding the Fourth Proportional to 17,076,331.60, 25,605,742.20 and 5,107,512.40

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Solution

The fourth proportional to 17,076,331.60, 25,605,742.20 and 5,107,512.40 is: 7,658,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076,331.60 : 25,605,742.20 = 5,107,512.40 : x
  2. Step 2: Convert to fraction form
    17,076,331.60/25,605,742.20 = 5,107,512.40/x
  3. Step 3: Cross multiply
    17,076,331.60x = 25,605,742.20 × 5,107,512.40
  4. Step 4: Simplify right side
    17,076,331.60x = 130,781,645,797,703.28
  5. Step 5: Solve for x
    x = 130,781,645,797,703.28/17,076,331.60
  6. Step 6: Final answer
    x = 7,658,649.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.