Home / 20,185,457.60-30,278,615.29-7,232,451.96

Finding the Fourth Proportional to 20,185,457.60, 30,278,615.29 and 7,232,451.96

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Solution

The fourth proportional to 20,185,457.60, 30,278,615.29 and 7,232,451.96 is: 10,848,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,457.60 : 30,278,615.29 = 7,232,451.96 : x
  2. Step 2: Convert to fraction form
    20,185,457.60/30,278,615.29 = 7,232,451.96/x
  3. Step 3: Cross multiply
    20,185,457.60x = 30,278,615.29 × 7,232,451.96
  4. Step 4: Simplify right side
    20,185,457.60x = 218,988,630,500,246.47
  5. Step 5: Solve for x
    x = 218,988,630,500,246.47/20,185,457.60
  6. Step 6: Final answer
    x = 10,848,831.61

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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.