Home / 16,029,239.68-22,122,619.20-9,919,636.48

Finding the Fourth Proportional to 16,029,239.68, 22,122,619.20 and 9,919,636.48

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Solution

The fourth proportional to 16,029,239.68, 22,122,619.20 and 9,919,636.48 is: 13,690,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029,239.68 : 22,122,619.20 = 9,919,636.48 : x
  2. Step 2: Convert to fraction form
    16,029,239.68/22,122,619.20 = 9,919,636.48/x
  3. Step 3: Cross multiply
    16,029,239.68x = 22,122,619.20 × 9,919,636.48
  4. Step 4: Simplify right side
    16,029,239.68x = 219,448,340,449,468.41
  5. Step 5: Solve for x
    x = 219,448,340,449,468.41/16,029,239.68
  6. Step 6: Final answer
    x = 13,690,502.16

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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.