Home / 12,593,152.10-18,888,640.11-7,667,907.81

Finding the Fourth Proportional to 12,593,152.10, 18,888,640.11 and 7,667,907.81

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Solution

The fourth proportional to 12,593,152.10, 18,888,640.11 and 7,667,907.81 is: 11,501,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593,152.10 : 18,888,640.11 = 7,667,907.81 : x
  2. Step 2: Convert to fraction form
    12,593,152.10/18,888,640.11 = 7,667,907.81/x
  3. Step 3: Cross multiply
    12,593,152.10x = 18,888,640.11 × 7,667,907.81
  4. Step 4: Simplify right side
    12,593,152.10x = 144,836,351,019,748.25
  5. Step 5: Solve for x
    x = 144,836,351,019,748.25/12,593,152.10
  6. Step 6: Final answer
    x = 11,501,199.22

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1.5x scale

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.