Home / 30,191,358.92-45,245,140.04-13,756,478.68

Finding the Fourth Proportional to 30,191,358.92, 45,245,140.04 and 13,756,478.68

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Solution

The fourth proportional to 30,191,358.92, 45,245,140.04 and 13,756,478.68 is: 20,615,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,358.92 : 45,245,140.04 = 13,756,478.68 : x
  2. Step 2: Convert to fraction form
    30,191,358.92/45,245,140.04 = 13,756,478.68/x
  3. Step 3: Cross multiply
    30,191,358.92x = 45,245,140.04 × 13,756,478.68
  4. Step 4: Simplify right side
    30,191,358.92x = 622,413,804,231,137.88
  5. Step 5: Solve for x
    x = 622,413,804,231,137.88/30,191,358.92
  6. Step 6: Final answer
    x = 20,615,627.34

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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.