Home / 14,489,786.20-19,996,384.32-7,963,646.98

Finding the Fourth Proportional to 14,489,786.20, 19,996,384.32 and 7,963,646.98

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Solution

The fourth proportional to 14,489,786.20, 19,996,384.32 and 7,963,646.98 is: 10,990,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,786.20 : 19,996,384.32 = 7,963,646.98 : x
  2. Step 2: Convert to fraction form
    14,489,786.20/19,996,384.32 = 7,963,646.98/x
  3. Step 3: Cross multiply
    14,489,786.20x = 19,996,384.32 × 7,963,646.98
  4. Step 4: Simplify right side
    14,489,786.20x = 159,244,145,600,887.38
  5. Step 5: Solve for x
    x = 159,244,145,600,887.38/14,489,786.20
  6. Step 6: Final answer
    x = 10,990,096.29

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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.