Home / 30,149,736.21-45,206,360.19-13,528,296.15

Finding the Fourth Proportional to 30,149,736.21, 45,206,360.19 and 13,528,296.15

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Solution

The fourth proportional to 30,149,736.21, 45,206,360.19 and 13,528,296.15 is: 20,284,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149,736.21 : 45,206,360.19 = 13,528,296.15 : x
  2. Step 2: Convert to fraction form
    30,149,736.21/45,206,360.19 = 13,528,296.15/x
  3. Step 3: Cross multiply
    30,149,736.21x = 45,206,360.19 × 13,528,296.15
  4. Step 4: Simplify right side
    30,149,736.21x = 611,565,028,513,890.25
  5. Step 5: Solve for x
    x = 611,565,028,513,890.25/30,149,736.21
  6. Step 6: Final answer
    x = 20,284,258.02

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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.