Home / 14,083,831.44-19,436,164.80-7,889,142.48

Finding the Fourth Proportional to 14,083,831.44, 19,436,164.80 and 7,889,142.48

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Solution

The fourth proportional to 14,083,831.44, 19,436,164.80 and 7,889,142.48 is: 10,887,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083,831.44 : 19,436,164.80 = 7,889,142.48 : x
  2. Step 2: Convert to fraction form
    14,083,831.44/19,436,164.80 = 7,889,142.48/x
  3. Step 3: Cross multiply
    14,083,831.44x = 19,436,164.80 × 7,889,142.48
  4. Step 4: Simplify right side
    14,083,831.44x = 153,334,673,371,960.72
  5. Step 5: Solve for x
    x = 153,334,673,371,960.72/14,083,831.44
  6. Step 6: Final answer
    x = 10,887,284.05

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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.