Home / 31,553,621.80-43,543,114.50-17,803,865.32

Finding the Fourth Proportional to 31,553,621.80, 43,543,114.50 and 17,803,865.32

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Solution

The fourth proportional to 31,553,621.80, 43,543,114.50 and 17,803,865.32 is: 24,568,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553,621.80 : 43,543,114.50 = 17,803,865.32 : x
  2. Step 2: Convert to fraction form
    31,553,621.80/43,543,114.50 = 17,803,865.32/x
  3. Step 3: Cross multiply
    31,553,621.80x = 43,543,114.50 × 17,803,865.32
  4. Step 4: Simplify right side
    31,553,621.80x = 775,235,746,171,339.12
  5. Step 5: Solve for x
    x = 775,235,746,171,339.12/31,553,621.80
  6. Step 6: Final answer
    x = 24,568,835.59

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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.