Home / 21,150,718.41-31,726,187.09-9,628,127.45

Finding the Fourth Proportional to 21,150,718.41, 31,726,187.09 and 9,628,127.45

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Solution

The fourth proportional to 21,150,718.41, 31,726,187.09 and 9,628,127.45 is: 14,442,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,718.41 : 31,726,187.09 = 9,628,127.45 : x
  2. Step 2: Convert to fraction form
    21,150,718.41/31,726,187.09 = 9,628,127.45/x
  3. Step 3: Cross multiply
    21,150,718.41x = 31,726,187.09 × 9,628,127.45
  4. Step 4: Simplify right side
    21,150,718.41x = 305,463,772,931,831.56
  5. Step 5: Solve for x
    x = 305,463,772,931,831.56/21,150,718.41
  6. Step 6: Final answer
    x = 14,442,241.02

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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.