Home / 30,361,412.25-45,542,162.12-12,410,516.25

Finding the Fourth Proportional to 30,361,412.25, 45,542,162.12 and 12,410,516.25

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Solution

The fourth proportional to 30,361,412.25, 45,542,162.12 and 12,410,516.25 is: 18,615,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,412.25 : 45,542,162.12 = 12,410,516.25 : x
  2. Step 2: Convert to fraction form
    30,361,412.25/45,542,162.12 = 12,410,516.25/x
  3. Step 3: Cross multiply
    30,361,412.25x = 45,542,162.12 × 12,410,516.25
  4. Step 4: Simplify right side
    30,361,412.25x = 565,201,742,988,341.88
  5. Step 5: Solve for x
    x = 565,201,742,988,341.88/30,361,412.25
  6. Step 6: Final answer
    x = 18,615,792.25

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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.