Home / 18,883,011.88-28,217,021.92-14,178,419.04

Finding the Fourth Proportional to 18,883,011.88, 28,217,021.92 and 14,178,419.04

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Solution

The fourth proportional to 18,883,011.88, 28,217,021.92 and 14,178,419.04 is: 21,186,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,011.88 : 28,217,021.92 = 14,178,419.04 : x
  2. Step 2: Convert to fraction form
    18,883,011.88/28,217,021.92 = 14,178,419.04/x
  3. Step 3: Cross multiply
    18,883,011.88x = 28,217,021.92 × 14,178,419.04
  4. Step 4: Simplify right side
    18,883,011.88x = 400,072,760,842,625.38
  5. Step 5: Solve for x
    x = 400,072,760,842,625.38/18,883,011.88
  6. Step 6: Final answer
    x = 21,186,914.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.