Home / 52,477,421.31-78,716,831.82-18,399,762.27

Finding the Fourth Proportional to 52,477,421.31, 78,716,831.82 and 18,399,762.27

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Solution

The fourth proportional to 52,477,421.31, 78,716,831.82 and 18,399,762.27 is: 27,599,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477,421.31 : 78,716,831.82 = 18,399,762.27 : x
  2. Step 2: Convert to fraction form
    52,477,421.31/78,716,831.82 = 18,399,762.27/x
  3. Step 3: Cross multiply
    52,477,421.31x = 78,716,831.82 × 18,399,762.27
  4. Step 4: Simplify right side
    52,477,421.31x = 1,448,370,992,135,571.25
  5. Step 5: Solve for x
    x = 1,448,370,992,135,571.25/52,477,421.31
  6. Step 6: Final answer
    x = 27,599,888.79

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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.