Home / 25,230,804.30-37,707,968.61-18,421,732.80

Finding the Fourth Proportional to 25,230,804.30, 37,707,968.61 and 18,421,732.80

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Solution

The fourth proportional to 25,230,804.30, 37,707,968.61 and 18,421,732.80 is: 27,531,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230,804.30 : 37,707,968.61 = 18,421,732.80 : x
  2. Step 2: Convert to fraction form
    25,230,804.30/37,707,968.61 = 18,421,732.80/x
  3. Step 3: Cross multiply
    25,230,804.30x = 37,707,968.61 × 18,421,732.80
  4. Step 4: Simplify right side
    25,230,804.30x = 694,646,122,164,207.38
  5. Step 5: Solve for x
    x = 694,646,122,164,207.38/25,230,804.30
  6. Step 6: Final answer
    x = 27,531,667.79

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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.