Home / 12,923,925.18-17,834,958.24-7,122,694.38

Finding the Fourth Proportional to 12,923,925.18, 17,834,958.24 and 7,122,694.38

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Solution

The fourth proportional to 12,923,925.18, 17,834,958.24 and 7,122,694.38 is: 9,829,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,925.18 : 17,834,958.24 = 7,122,694.38 : x
  2. Step 2: Convert to fraction form
    12,923,925.18/17,834,958.24 = 7,122,694.38/x
  3. Step 3: Cross multiply
    12,923,925.18x = 17,834,958.24 × 7,122,694.38
  4. Step 4: Simplify right side
    12,923,925.18x = 127,032,956,823,582.67
  5. Step 5: Solve for x
    x = 127,032,956,823,582.67/12,923,925.18
  6. Step 6: Final answer
    x = 9,829,286.00

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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.