Home / 12,088,923.60-18,133,385.40-11,379,752.40

Finding the Fourth Proportional to 12,088,923.60, 18,133,385.40 and 11,379,752.40

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Solution

The fourth proportional to 12,088,923.60, 18,133,385.40 and 11,379,752.40 is: 17,069,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,923.60 : 18,133,385.40 = 11,379,752.40 : x
  2. Step 2: Convert to fraction form
    12,088,923.60/18,133,385.40 = 11,379,752.40/x
  3. Step 3: Cross multiply
    12,088,923.60x = 18,133,385.40 × 11,379,752.40
  4. Step 4: Simplify right side
    12,088,923.60x = 206,353,436,025,774.94
  5. Step 5: Solve for x
    x = 206,353,436,025,774.94/12,088,923.60
  6. Step 6: Final answer
    x = 17,069,628.60

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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.