Home / 12,942,677.40-19,414,016.10-12,774,715.80

Finding the Fourth Proportional to 12,942,677.40, 19,414,016.10 and 12,774,715.80

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Solution

The fourth proportional to 12,942,677.40, 19,414,016.10 and 12,774,715.80 is: 19,162,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,677.40 : 19,414,016.10 = 12,774,715.80 : x
  2. Step 2: Convert to fraction form
    12,942,677.40/19,414,016.10 = 12,774,715.80/x
  3. Step 3: Cross multiply
    12,942,677.40x = 19,414,016.10 × 12,774,715.80
  4. Step 4: Simplify right side
    12,942,677.40x = 248,008,538,214,124.41
  5. Step 5: Solve for x
    x = 248,008,538,214,124.41/12,942,677.40
  6. Step 6: Final answer
    x = 19,162,073.70

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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.