Home / 21,685,003-29,925,025.11-12,392,466.49

Finding the Fourth Proportional to 21,685,003, 29,925,025.11 and 12,392,466.49

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Solution

The fourth proportional to 21,685,003, 29,925,025.11 and 12,392,466.49 is: 17,101,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685,003 : 29,925,025.11 = 12,392,466.49 : x
  2. Step 2: Convert to fraction form
    21,685,003/29,925,025.11 = 12,392,466.49/x
  3. Step 3: Cross multiply
    21,685,003x = 29,925,025.11 × 12,392,466.49
  4. Step 4: Simplify right side
    21,685,003x = 370,844,870,888,083.56
  5. Step 5: Solve for x
    x = 370,844,870,888,083.56/21,685,003
  6. Step 6: Final answer
    x = 17,101,444.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.