Home / 14,507,976.24-20,021,007.06-7,981,465.50

Finding the Fourth Proportional to 14,507,976.24, 20,021,007.06 and 7,981,465.50

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Solution

The fourth proportional to 14,507,976.24, 20,021,007.06 and 7,981,465.50 is: 11,014,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,976.24 : 20,021,007.06 = 7,981,465.50 : x
  2. Step 2: Convert to fraction form
    14,507,976.24/20,021,007.06 = 7,981,465.50/x
  3. Step 3: Cross multiply
    14,507,976.24x = 20,021,007.06 × 7,981,465.50
  4. Step 4: Simplify right side
    14,507,976.24x = 159,796,977,124,646.41
  5. Step 5: Solve for x
    x = 159,796,977,124,646.41/14,507,976.24
  6. Step 6: Final answer
    x = 11,014,422.31

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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.