Home / 30,330,618.76-45,495,928.26-10,135,860.76

Finding the Fourth Proportional to 30,330,618.76, 45,495,928.26 and 10,135,860.76

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Solution

The fourth proportional to 30,330,618.76, 45,495,928.26 and 10,135,860.76 is: 15,203,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,618.76 : 45,495,928.26 = 10,135,860.76 : x
  2. Step 2: Convert to fraction form
    30,330,618.76/45,495,928.26 = 10,135,860.76/x
  3. Step 3: Cross multiply
    30,330,618.76x = 45,495,928.26 × 10,135,860.76
  4. Step 4: Simplify right side
    30,330,618.76x = 461,140,393,990,309.06
  5. Step 5: Solve for x
    x = 461,140,393,990,309.06/30,330,618.76
  6. Step 6: Final answer
    x = 15,203,791.18

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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.