Home / 14,412,168.15-19,886,829.82-8,609,717.76

Finding the Fourth Proportional to 14,412,168.15, 19,886,829.82 and 8,609,717.76

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Solution

The fourth proportional to 14,412,168.15, 19,886,829.82 and 8,609,717.76 is: 11,880,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,168.15 : 19,886,829.82 = 8,609,717.76 : x
  2. Step 2: Convert to fraction form
    14,412,168.15/19,886,829.82 = 8,609,717.76/x
  3. Step 3: Cross multiply
    14,412,168.15x = 19,886,829.82 × 8,609,717.76
  4. Step 4: Simplify right side
    14,412,168.15x = 171,219,991,891,351.59
  5. Step 5: Solve for x
    x = 171,219,991,891,351.59/14,412,168.15
  6. Step 6: Final answer
    x = 11,880,238.29

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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.