Home / 13,346,938.80-20,020,408.20-11,667,322.80

Finding the Fourth Proportional to 13,346,938.80, 20,020,408.20 and 11,667,322.80

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Solution

The fourth proportional to 13,346,938.80, 20,020,408.20 and 11,667,322.80 is: 17,500,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,938.80 : 20,020,408.20 = 11,667,322.80 : x
  2. Step 2: Convert to fraction form
    13,346,938.80/20,020,408.20 = 11,667,322.80/x
  3. Step 3: Cross multiply
    13,346,938.80x = 20,020,408.20 × 11,667,322.80
  4. Step 4: Simplify right side
    13,346,938.80x = 233,584,565,057,166.97
  5. Step 5: Solve for x
    x = 233,584,565,057,166.97/13,346,938.80
  6. Step 6: Final answer
    x = 17,500,984.20

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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.