Home / 46,320,429.60-69,447,466.80-19,380,218.40

Finding the Fourth Proportional to 46,320,429.60, 69,447,466.80 and 19,380,218.40

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Solution

The fourth proportional to 46,320,429.60, 69,447,466.80 and 19,380,218.40 is: 29,056,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,320,429.60 : 69,447,466.80 = 19,380,218.40 : x
  2. Step 2: Convert to fraction form
    46,320,429.60/69,447,466.80 = 19,380,218.40/x
  3. Step 3: Cross multiply
    46,320,429.60x = 69,447,466.80 × 19,380,218.40
  4. Step 4: Simplify right side
    46,320,429.60x = 1,345,907,073,910,749
  5. Step 5: Solve for x
    x = 1,345,907,073,910,749/46,320,429.60
  6. Step 6: Final answer
    x = 29,056,446.27

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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.