Home / 12,892,742.36-19,337,011.98-3,792,712.28

Finding the Fourth Proportional to 12,892,742.36, 19,337,011.98 and 3,792,712.28

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Solution

The fourth proportional to 12,892,742.36, 19,337,011.98 and 3,792,712.28 is: 5,688,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,742.36 : 19,337,011.98 = 3,792,712.28 : x
  2. Step 2: Convert to fraction form
    12,892,742.36/19,337,011.98 = 3,792,712.28/x
  3. Step 3: Cross multiply
    12,892,742.36x = 19,337,011.98 × 3,792,712.28
  4. Step 4: Simplify right side
    12,892,742.36x = 73,339,722,795,053.11
  5. Step 5: Solve for x
    x = 73,339,722,795,053.11/12,892,742.36
  6. Step 6: Final answer
    x = 5,688,450.20

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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.