Home / 13,766,667.12-18,998,460.90-7,571,975.04

Finding the Fourth Proportional to 13,766,667.12, 18,998,460.90 and 7,571,975.04

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Solution

The fourth proportional to 13,766,667.12, 18,998,460.90 and 7,571,975.04 is: 10,449,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,667.12 : 18,998,460.90 = 7,571,975.04 : x
  2. Step 2: Convert to fraction form
    13,766,667.12/18,998,460.90 = 7,571,975.04/x
  3. Step 3: Cross multiply
    13,766,667.12x = 18,998,460.90 × 7,571,975.04
  4. Step 4: Simplify right side
    13,766,667.12x = 143,855,871,733,215.94
  5. Step 5: Solve for x
    x = 143,855,871,733,215.94/13,766,667.12
  6. Step 6: Final answer
    x = 10,449,578.72

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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.