Home / 12,672,067.40-19,008,101.10-4,152,681.80

Finding the Fourth Proportional to 12,672,067.40, 19,008,101.10 and 4,152,681.80

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Solution

The fourth proportional to 12,672,067.40, 19,008,101.10 and 4,152,681.80 is: 6,229,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,067.40 : 19,008,101.10 = 4,152,681.80 : x
  2. Step 2: Convert to fraction form
    12,672,067.40/19,008,101.10 = 4,152,681.80/x
  3. Step 3: Cross multiply
    12,672,067.40x = 19,008,101.10 × 4,152,681.80
  4. Step 4: Simplify right side
    12,672,067.40x = 78,934,595,490,529.98
  5. Step 5: Solve for x
    x = 78,934,595,490,529.98/12,672,067.40
  6. Step 6: Final answer
    x = 6,229,022.70

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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.