Home / 31,378,340.72-47,081,705.64-16,017,695.60

Finding the Fourth Proportional to 31,378,340.72, 47,081,705.64 and 16,017,695.60

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Solution

The fourth proportional to 31,378,340.72, 47,081,705.64 and 16,017,695.60 is: 24,033,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378,340.72 : 47,081,705.64 = 16,017,695.60 : x
  2. Step 2: Convert to fraction form
    31,378,340.72/47,081,705.64 = 16,017,695.60/x
  3. Step 3: Cross multiply
    31,378,340.72x = 47,081,705.64 × 16,017,695.60
  4. Step 4: Simplify right side
    31,378,340.72x = 754,140,429,270,323.12
  5. Step 5: Solve for x
    x = 754,140,429,270,323.12/31,378,340.72
  6. Step 6: Final answer
    x = 24,033,789.29

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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.