Home / 28,392,305.80-42,588,458.70-23,605,400.20

Finding the Fourth Proportional to 28,392,305.80, 42,588,458.70 and 23,605,400.20

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Solution

The fourth proportional to 28,392,305.80, 42,588,458.70 and 23,605,400.20 is: 35,408,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,305.80 : 42,588,458.70 = 23,605,400.20 : x
  2. Step 2: Convert to fraction form
    28,392,305.80/42,588,458.70 = 23,605,400.20/x
  3. Step 3: Cross multiply
    28,392,305.80x = 42,588,458.70 × 23,605,400.20
  4. Step 4: Simplify right side
    28,392,305.80x = 1,005,317,611,514,671.75
  5. Step 5: Solve for x
    x = 1,005,317,611,514,671.75/28,392,305.80
  6. Step 6: Final answer
    x = 35,408,100.30

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Similar ratio
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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.