Home / 12,088,731.60-18,133,097.40-11,379,560.40

Finding the Fourth Proportional to 12,088,731.60, 18,133,097.40 and 11,379,560.40

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Solution

The fourth proportional to 12,088,731.60, 18,133,097.40 and 11,379,560.40 is: 17,069,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,731.60 : 18,133,097.40 = 11,379,560.40 : x
  2. Step 2: Convert to fraction form
    12,088,731.60/18,133,097.40 = 11,379,560.40/x
  3. Step 3: Cross multiply
    12,088,731.60x = 18,133,097.40 × 11,379,560.40
  4. Step 4: Simplify right side
    12,088,731.60x = 206,346,677,102,382.94
  5. Step 5: Solve for x
    x = 206,346,677,102,382.94/12,088,731.60
  6. Step 6: Final answer
    x = 17,069,340.60

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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.