Home / 28,400,368.24-39,211,407.48-16,801,647.76

Finding the Fourth Proportional to 28,400,368.24, 39,211,407.48 and 16,801,647.76

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Solution

The fourth proportional to 28,400,368.24, 39,211,407.48 and 16,801,647.76 is: 23,197,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,368.24 : 39,211,407.48 = 16,801,647.76 : x
  2. Step 2: Convert to fraction form
    28,400,368.24/39,211,407.48 = 16,801,647.76/x
  3. Step 3: Cross multiply
    28,400,368.24x = 39,211,407.48 × 16,801,647.76
  4. Step 4: Simplify right side
    28,400,368.24x = 658,816,256,652,789.25
  5. Step 5: Solve for x
    x = 658,816,256,652,789.25/28,400,368.24
  6. Step 6: Final answer
    x = 23,197,454.73

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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.