Home / 12,097,209.40-18,145,814.10-10,774,511.80

Finding the Fourth Proportional to 12,097,209.40, 18,145,814.10 and 10,774,511.80

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Solution

The fourth proportional to 12,097,209.40, 18,145,814.10 and 10,774,511.80 is: 16,161,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,209.40 : 18,145,814.10 = 10,774,511.80 : x
  2. Step 2: Convert to fraction form
    12,097,209.40/18,145,814.10 = 10,774,511.80/x
  3. Step 3: Cross multiply
    12,097,209.40x = 18,145,814.10 × 10,774,511.80
  4. Step 4: Simplify right side
    12,097,209.40x = 195,512,288,141,056.41
  5. Step 5: Solve for x
    x = 195,512,288,141,056.41/12,097,209.40
  6. Step 6: Final answer
    x = 16,161,767.70

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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.