Home / 30,987,071.46-46,426,741.36-21,745,443.69

Finding the Fourth Proportional to 30,987,071.46, 46,426,741.36 and 21,745,443.69

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Solution

The fourth proportional to 30,987,071.46, 46,426,741.36 and 21,745,443.69 is: 32,580,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,071.46 : 46,426,741.36 = 21,745,443.69 : x
  2. Step 2: Convert to fraction form
    30,987,071.46/46,426,741.36 = 21,745,443.69/x
  3. Step 3: Cross multiply
    30,987,071.46x = 46,426,741.36 × 21,745,443.69
  4. Step 4: Simplify right side
    30,987,071.46x = 1,009,570,089,954,074.12
  5. Step 5: Solve for x
    x = 1,009,570,089,954,074.12/30,987,071.46
  6. Step 6: Final answer
    x = 32,580,364.73

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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.