Home / 30,020,791.56-45,034,831.22-8,455,393.16

Finding the Fourth Proportional to 30,020,791.56, 45,034,831.22 and 8,455,393.16

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Solution

The fourth proportional to 30,020,791.56, 45,034,831.22 and 8,455,393.16 is: 12,684,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,791.56 : 45,034,831.22 = 8,455,393.16 : x
  2. Step 2: Convert to fraction form
    30,020,791.56/45,034,831.22 = 8,455,393.16/x
  3. Step 3: Cross multiply
    30,020,791.56x = 45,034,831.22 × 8,455,393.16
  4. Step 4: Simplify right side
    30,020,791.56x = 380,787,203,859,342.44
  5. Step 5: Solve for x
    x = 380,787,203,859,342.44/30,020,791.56
  6. Step 6: Final answer
    x = 12,684,116.04

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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.