Home / 12,942,645.90-19,426,410.45-6,560,105.10

Finding the Fourth Proportional to 12,942,645.90, 19,426,410.45 and 6,560,105.10

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Solution

The fourth proportional to 12,942,645.90, 19,426,410.45 and 6,560,105.10 is: 9,846,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,645.90 : 19,426,410.45 = 6,560,105.10 : x
  2. Step 2: Convert to fraction form
    12,942,645.90/19,426,410.45 = 6,560,105.10/x
  3. Step 3: Cross multiply
    12,942,645.90x = 19,426,410.45 × 6,560,105.10
  4. Step 4: Simplify right side
    12,942,645.90x = 127,439,294,267,738.28
  5. Step 5: Solve for x
    x = 127,439,294,267,738.28/12,942,645.90
  6. Step 6: Final answer
    x = 9,846,463.80

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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.