Home / 12,101,620.80-18,152,431.20-10,684,444.80

Finding the Fourth Proportional to 12,101,620.80, 18,152,431.20 and 10,684,444.80

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Solution

The fourth proportional to 12,101,620.80, 18,152,431.20 and 10,684,444.80 is: 16,026,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,620.80 : 18,152,431.20 = 10,684,444.80 : x
  2. Step 2: Convert to fraction form
    12,101,620.80/18,152,431.20 = 10,684,444.80/x
  3. Step 3: Cross multiply
    12,101,620.80x = 18,152,431.20 × 10,684,444.80
  4. Step 4: Simplify right side
    12,101,620.80x = 193,948,649,142,197.75
  5. Step 5: Solve for x
    x = 193,948,649,142,197.75/12,101,620.80
  6. Step 6: Final answer
    x = 16,026,667.20

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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.