Home / 30,987,074.40-46,426,745.77-21,745,446.63

Finding the Fourth Proportional to 30,987,074.40, 46,426,745.77 and 21,745,446.63

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Solution

The fourth proportional to 30,987,074.40, 46,426,745.77 and 21,745,446.63 is: 32,580,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,074.40 : 46,426,745.77 = 21,745,446.63 : x
  2. Step 2: Convert to fraction form
    30,987,074.40/46,426,745.77 = 21,745,446.63/x
  3. Step 3: Cross multiply
    30,987,074.40x = 46,426,745.77 × 21,745,446.63
  4. Step 4: Simplify right side
    30,987,074.40x = 1,009,570,322,346,113.25
  5. Step 5: Solve for x
    x = 1,009,570,322,346,113.25/30,987,074.40
  6. Step 6: Final answer
    x = 32,580,369.13

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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.