Home / 13,331,421.60-19,997,132.40-11,735,786.40

Finding the Fourth Proportional to 13,331,421.60, 19,997,132.40 and 11,735,786.40

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Solution

The fourth proportional to 13,331,421.60, 19,997,132.40 and 11,735,786.40 is: 17,603,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,421.60 : 19,997,132.40 = 11,735,786.40 : x
  2. Step 2: Convert to fraction form
    13,331,421.60/19,997,132.40 = 11,735,786.40/x
  3. Step 3: Cross multiply
    13,331,421.60x = 19,997,132.40 × 11,735,786.40
  4. Step 4: Simplify right side
    13,331,421.60x = 234,682,074,458,919.34
  5. Step 5: Solve for x
    x = 234,682,074,458,919.34/13,331,421.60
  6. Step 6: Final answer
    x = 17,603,679.60

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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.