Home / 14,489,355.42-19,995,789.87-7,963,216.20

Finding the Fourth Proportional to 14,489,355.42, 19,995,789.87 and 7,963,216.20

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Solution

The fourth proportional to 14,489,355.42, 19,995,789.87 and 7,963,216.20 is: 10,989,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,355.42 : 19,995,789.87 = 7,963,216.20 : x
  2. Step 2: Convert to fraction form
    14,489,355.42/19,995,789.87 = 7,963,216.20/x
  3. Step 3: Cross multiply
    14,489,355.42x = 19,995,789.87 × 7,963,216.20
  4. Step 4: Simplify right side
    14,489,355.42x = 159,230,797,824,579.91
  5. Step 5: Solve for x
    x = 159,230,797,824,579.91/14,489,355.42
  6. Step 6: Final answer
    x = 10,989,501.82

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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.