Home / 34,684,721.78-47,867,855.39-19,219,657.46

Finding the Fourth Proportional to 34,684,721.78, 47,867,855.39 and 19,219,657.46

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Solution

The fourth proportional to 34,684,721.78, 47,867,855.39 and 19,219,657.46 is: 26,524,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,684,721.78 : 47,867,855.39 = 19,219,657.46 : x
  2. Step 2: Convert to fraction form
    34,684,721.78/47,867,855.39 = 19,219,657.46/x
  3. Step 3: Cross multiply
    34,684,721.78x = 47,867,855.39 × 19,219,657.46
  4. Step 4: Simplify right side
    34,684,721.78x = 920,003,783,605,177
  5. Step 5: Solve for x
    x = 920,003,783,605,177/34,684,721.78
  6. Step 6: Final answer
    x = 26,524,756.05

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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.