Home / 39,403,896.80-59,105,845.20-10,649,220.80

Finding the Fourth Proportional to 39,403,896.80, 59,105,845.20 and 10,649,220.80

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Solution

The fourth proportional to 39,403,896.80, 59,105,845.20 and 10,649,220.80 is: 15,973,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403,896.80 : 59,105,845.20 = 10,649,220.80 : x
  2. Step 2: Convert to fraction form
    39,403,896.80/59,105,845.20 = 10,649,220.80/x
  3. Step 3: Cross multiply
    39,403,896.80x = 59,105,845.20 × 10,649,220.80
  4. Step 4: Simplify right side
    39,403,896.80x = 629,431,196,105,420.25
  5. Step 5: Solve for x
    x = 629,431,196,105,420.25/39,403,896.80
  6. Step 6: Final answer
    x = 15,973,831.20

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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.