Home / 12,688,737.36-19,033,846.19-3,590,073.78

Finding the Fourth Proportional to 12,688,737.36, 19,033,846.19 and 3,590,073.78

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Solution

The fourth proportional to 12,688,737.36, 19,033,846.19 and 3,590,073.78 is: 5,385,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,737.36 : 19,033,846.19 = 3,590,073.78 : x
  2. Step 2: Convert to fraction form
    12,688,737.36/19,033,846.19 = 3,590,073.78/x
  3. Step 3: Cross multiply
    12,688,737.36x = 19,033,846.19 × 3,590,073.78
  4. Step 4: Simplify right side
    12,688,737.36x = 68,332,912,121,321.52
  5. Step 5: Solve for x
    x = 68,332,912,121,321.52/12,688,737.36
  6. Step 6: Final answer
    x = 5,385,320.08

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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.