Home / 30,330,615.72-45,495,923.76-10,135,857.72

Finding the Fourth Proportional to 30,330,615.72, 45,495,923.76 and 10,135,857.72

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Solution

The fourth proportional to 30,330,615.72, 45,495,923.76 and 10,135,857.72 is: 15,203,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,615.72 : 45,495,923.76 = 10,135,857.72 : x
  2. Step 2: Convert to fraction form
    30,330,615.72/45,495,923.76 = 10,135,857.72/x
  3. Step 3: Cross multiply
    30,330,615.72x = 45,495,923.76 × 10,135,857.72
  4. Step 4: Simplify right side
    30,330,615.72x = 461,140,210,071,327.44
  5. Step 5: Solve for x
    x = 461,140,210,071,327.44/30,330,615.72
  6. Step 6: Final answer
    x = 15,203,786.64

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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.