Home / 18,190,364.70-27,285,547.05-10,915,527.90

Finding the Fourth Proportional to 18,190,364.70, 27,285,547.05 and 10,915,527.90

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Solution

The fourth proportional to 18,190,364.70, 27,285,547.05 and 10,915,527.90 is: 16,373,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,364.70 : 27,285,547.05 = 10,915,527.90 : x
  2. Step 2: Convert to fraction form
    18,190,364.70/27,285,547.05 = 10,915,527.90/x
  3. Step 3: Cross multiply
    18,190,364.70x = 27,285,547.05 × 10,915,527.90
  4. Step 4: Simplify right side
    18,190,364.70x = 297,836,150,091,037.69
  5. Step 5: Solve for x
    x = 297,836,150,091,037.69/18,190,364.70
  6. Step 6: Final answer
    x = 16,373,291.85

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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.