Home / 30,330,430.50-45,495,645.75-10,135,672.50

Finding the Fourth Proportional to 30,330,430.50, 45,495,645.75 and 10,135,672.50

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Solution

The fourth proportional to 30,330,430.50, 45,495,645.75 and 10,135,672.50 is: 15,203,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,430.50 : 45,495,645.75 = 10,135,672.50 : x
  2. Step 2: Convert to fraction form
    30,330,430.50/45,495,645.75 = 10,135,672.50/x
  3. Step 3: Cross multiply
    30,330,430.50x = 45,495,645.75 × 10,135,672.50
  4. Step 4: Simplify right side
    30,330,430.50x = 461,128,965,498,016.88
  5. Step 5: Solve for x
    x = 461,128,965,498,016.88/30,330,430.50
  6. Step 6: Final answer
    x = 15,203,508.75

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1.5x scale

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.