Home / 12,088,840.80-18,133,261.20-10,972,814.70

Finding the Fourth Proportional to 12,088,840.80, 18,133,261.20 and 10,972,814.70

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Solution

The fourth proportional to 12,088,840.80, 18,133,261.20 and 10,972,814.70 is: 16,459,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,840.80 : 18,133,261.20 = 10,972,814.70 : x
  2. Step 2: Convert to fraction form
    12,088,840.80/18,133,261.20 = 10,972,814.70/x
  3. Step 3: Cross multiply
    12,088,840.80x = 18,133,261.20 × 10,972,814.70
  4. Step 4: Simplify right side
    12,088,840.80x = 198,972,915,054,299.62
  5. Step 5: Solve for x
    x = 198,972,915,054,299.62/12,088,840.80
  6. Step 6: Final answer
    x = 16,459,222.05

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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.