Home / 34,465,446-51,707,028.78-12,900,357.54

Finding the Fourth Proportional to 34,465,446, 51,707,028.78 and 12,900,357.54

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Solution

The fourth proportional to 34,465,446, 51,707,028.78 and 12,900,357.54 is: 19,353,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,465,446 : 51,707,028.78 = 12,900,357.54 : x
  2. Step 2: Convert to fraction form
    34,465,446/51,707,028.78 = 12,900,357.54/x
  3. Step 3: Cross multiply
    34,465,446x = 51,707,028.78 × 12,900,357.54
  4. Step 4: Simplify right side
    34,465,446x = 667,039,158,593,070
  5. Step 5: Solve for x
    x = 667,039,158,593,070/34,465,446
  6. Step 6: Final answer
    x = 19,353,852.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.