Home / 10,120,509.12-13,968,100.69-5,992,831.85

Finding the Fourth Proportional to 10,120,509.12, 13,968,100.69 and 5,992,831.85

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Solution

The fourth proportional to 10,120,509.12, 13,968,100.69 and 5,992,831.85 is: 8,271,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,509.12 : 13,968,100.69 = 5,992,831.85 : x
  2. Step 2: Convert to fraction form
    10,120,509.12/13,968,100.69 = 5,992,831.85/x
  3. Step 3: Cross multiply
    10,120,509.12x = 13,968,100.69 × 5,992,831.85
  4. Step 4: Simplify right side
    10,120,509.12x = 83,708,478,614,216.39
  5. Step 5: Solve for x
    x = 83,708,478,614,216.39/10,120,509.12
  6. Step 6: Final answer
    x = 8,271,172.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.