Home / 14,507,940.55-20,020,957.83-7,981,429.94

Finding the Fourth Proportional to 14,507,940.55, 20,020,957.83 and 7,981,429.94

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Solution

The fourth proportional to 14,507,940.55, 20,020,957.83 and 7,981,429.94 is: 11,014,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,940.55 : 20,020,957.83 = 7,981,429.94 : x
  2. Step 2: Convert to fraction form
    14,507,940.55/20,020,957.83 = 7,981,429.94/x
  3. Step 3: Cross multiply
    14,507,940.55x = 20,020,957.83 × 7,981,429.94
  4. Step 4: Simplify right side
    14,507,940.55x = 159,795,872,301,891.81
  5. Step 5: Solve for x
    x = 159,795,872,301,891.81/14,507,940.55
  6. Step 6: Final answer
    x = 11,014,373.25

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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.