Home / 28,618,247.92-39,480,154.20-17,009,213.68

Finding the Fourth Proportional to 28,618,247.92, 39,480,154.20 and 17,009,213.68

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Solution

The fourth proportional to 28,618,247.92, 39,480,154.20 and 17,009,213.68 is: 23,464,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,247.92 : 39,480,154.20 = 17,009,213.68 : x
  2. Step 2: Convert to fraction form
    28,618,247.92/39,480,154.20 = 17,009,213.68/x
  3. Step 3: Cross multiply
    28,618,247.92x = 39,480,154.20 × 17,009,213.68
  4. Step 4: Simplify right side
    28,618,247.92x = 671,526,378,907,149.50
  5. Step 5: Solve for x
    x = 671,526,378,907,149.50/28,618,247.92
  6. Step 6: Final answer
    x = 23,464,971.75

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1.5x scale

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.