Home / 40,089,315.86-55,323,255.94-21,754,601.36

Finding the Fourth Proportional to 40,089,315.86, 55,323,255.94 and 21,754,601.36

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Solution

The fourth proportional to 40,089,315.86, 55,323,255.94 and 21,754,601.36 is: 30,021,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,315.86 : 55,323,255.94 = 21,754,601.36 : x
  2. Step 2: Convert to fraction form
    40,089,315.86/55,323,255.94 = 21,754,601.36/x
  3. Step 3: Cross multiply
    40,089,315.86x = 55,323,255.94 × 21,754,601.36
  4. Step 4: Simplify right side
    40,089,315.86x = 1,203,535,378,911,952
  5. Step 5: Solve for x
    x = 1,203,535,378,911,952/40,089,315.86
  6. Step 6: Final answer
    x = 30,021,349.91

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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.