Home / 14,083,346.40-21,122,522.40-6,405,192.72

Finding the Fourth Proportional to 14,083,346.40, 21,122,522.40 and 6,405,192.72

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Solution

The fourth proportional to 14,083,346.40, 21,122,522.40 and 6,405,192.72 is: 9,606,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083,346.40 : 21,122,522.40 = 6,405,192.72 : x
  2. Step 2: Convert to fraction form
    14,083,346.40/21,122,522.40 = 6,405,192.72/x
  3. Step 3: Cross multiply
    14,083,346.40x = 21,122,522.40 × 6,405,192.72
  4. Step 4: Simplify right side
    14,083,346.40x = 135,293,826,704,516.91
  5. Step 5: Solve for x
    x = 135,293,826,704,516.91/14,083,346.40
  6. Step 6: Final answer
    x = 9,606,653.34

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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.