Home / 14,364,658.29-19,823,174.31-7,838,230.68

Finding the Fourth Proportional to 14,364,658.29, 19,823,174.31 and 7,838,230.68

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Solution

The fourth proportional to 14,364,658.29, 19,823,174.31 and 7,838,230.68 is: 10,816,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364,658.29 : 19,823,174.31 = 7,838,230.68 : x
  2. Step 2: Convert to fraction form
    14,364,658.29/19,823,174.31 = 7,838,230.68/x
  3. Step 3: Cross multiply
    14,364,658.29x = 19,823,174.31 × 7,838,230.68
  4. Step 4: Simplify right side
    14,364,658.29x = 155,378,613,051,629.81
  5. Step 5: Solve for x
    x = 155,378,613,051,629.81/14,364,658.29
  6. Step 6: Final answer
    x = 10,816,728.80

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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.