Home / 5,076,770.13-7,006,037.82-3,115,665.20

Finding the Fourth Proportional to 5,076,770.13, 7,006,037.82 and 3,115,665.20

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Solution

The fourth proportional to 5,076,770.13, 7,006,037.82 and 3,115,665.20 is: 4,299,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076,770.13 : 7,006,037.82 = 3,115,665.20 : x
  2. Step 2: Convert to fraction form
    5,076,770.13/7,006,037.82 = 3,115,665.20/x
  3. Step 3: Cross multiply
    5,076,770.13x = 7,006,037.82 × 3,115,665.20
  4. Step 4: Simplify right side
    5,076,770.13x = 21,828,468,225,657.87
  5. Step 5: Solve for x
    x = 21,828,468,225,657.87/5,076,770.13
  6. Step 6: Final answer
    x = 4,299,676.31

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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.