Home / 31,828,879.98-47,648,158.74-19,494,004.68

Finding the Fourth Proportional to 31,828,879.98, 47,648,158.74 and 19,494,004.68

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Solution

The fourth proportional to 31,828,879.98, 47,648,158.74 and 19,494,004.68 is: 29,182,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828,879.98 : 47,648,158.74 = 19,494,004.68 : x
  2. Step 2: Convert to fraction form
    31,828,879.98/47,648,158.74 = 19,494,004.68/x
  3. Step 3: Cross multiply
    31,828,879.98x = 47,648,158.74 × 19,494,004.68
  4. Step 4: Simplify right side
    31,828,879.98x = 928,853,429,470,942.88
  5. Step 5: Solve for x
    x = 928,853,429,470,942.88/31,828,879.98
  6. Step 6: Final answer
    x = 29,182,724.31

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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.