Home / 31,303,747.20-46,899,633.60-19,322,486.40

Finding the Fourth Proportional to 31,303,747.20, 46,899,633.60 and 19,322,486.40

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Solution

The fourth proportional to 31,303,747.20, 46,899,633.60 and 19,322,486.40 is: 28,949,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,747.20 : 46,899,633.60 = 19,322,486.40 : x
  2. Step 2: Convert to fraction form
    31,303,747.20/46,899,633.60 = 19,322,486.40/x
  3. Step 3: Cross multiply
    31,303,747.20x = 46,899,633.60 × 19,322,486.40
  4. Step 4: Simplify right side
    31,303,747.20x = 906,217,532,400,983
  5. Step 5: Solve for x
    x = 906,217,532,400,983/31,303,747.20
  6. Step 6: Final answer
    x = 28,949,171.06

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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.