Home / 13,209,415.80-19,814,123.70-11,193,876.60

Finding the Fourth Proportional to 13,209,415.80, 19,814,123.70 and 11,193,876.60

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Solution

The fourth proportional to 13,209,415.80, 19,814,123.70 and 11,193,876.60 is: 16,790,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,415.80 : 19,814,123.70 = 11,193,876.60 : x
  2. Step 2: Convert to fraction form
    13,209,415.80/19,814,123.70 = 11,193,876.60/x
  3. Step 3: Cross multiply
    13,209,415.80x = 19,814,123.70 × 11,193,876.60
  4. Step 4: Simplify right side
    13,209,415.80x = 221,796,855,634,935.41
  5. Step 5: Solve for x
    x = 221,796,855,634,935.41/13,209,415.80
  6. Step 6: Final answer
    x = 16,790,814.90

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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.