Home / 12,951,571.84-17,889,072.96-9,702,920.32

Finding the Fourth Proportional to 12,951,571.84, 17,889,072.96 and 9,702,920.32

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Solution

The fourth proportional to 12,951,571.84, 17,889,072.96 and 9,702,920.32 is: 13,401,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,571.84 : 17,889,072.96 = 9,702,920.32 : x
  2. Step 2: Convert to fraction form
    12,951,571.84/17,889,072.96 = 9,702,920.32/x
  3. Step 3: Cross multiply
    12,951,571.84x = 17,889,072.96 × 9,702,920.32
  4. Step 4: Simplify right side
    12,951,571.84x = 173,576,249,529,546.56
  5. Step 5: Solve for x
    x = 173,576,249,529,546.56/12,951,571.84
  6. Step 6: Final answer
    x = 13,401,944.70

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1.5x scale

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.