Home / 6,430,676.98-9,643,983.13-2,112,015.68

Finding the Fourth Proportional to 6,430,676.98, 9,643,983.13 and 2,112,015.68

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Solution

The fourth proportional to 6,430,676.98, 9,643,983.13 and 2,112,015.68 is: 3,167,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,676.98 : 9,643,983.13 = 2,112,015.68 : x
  2. Step 2: Convert to fraction form
    6,430,676.98/9,643,983.13 = 2,112,015.68/x
  3. Step 3: Cross multiply
    6,430,676.98x = 9,643,983.13 × 2,112,015.68
  4. Step 4: Simplify right side
    6,430,676.98x = 20,368,243,529,435.48
  5. Step 5: Solve for x
    x = 20,368,243,529,435.48/6,430,676.98
  6. Step 6: Final answer
    x = 3,167,356.03

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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.