Home / 31,403,415.96-47,105,109.36-9,839,712.60

Finding the Fourth Proportional to 31,403,415.96, 47,105,109.36 and 9,839,712.60

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Solution

The fourth proportional to 31,403,415.96, 47,105,109.36 and 9,839,712.60 is: 14,759,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403,415.96 : 47,105,109.36 = 9,839,712.60 : x
  2. Step 2: Convert to fraction form
    31,403,415.96/47,105,109.36 = 9,839,712.60/x
  3. Step 3: Cross multiply
    31,403,415.96x = 47,105,109.36 × 9,839,712.60
  4. Step 4: Simplify right side
    31,403,415.96x = 463,500,738,093,969.94
  5. Step 5: Solve for x
    x = 463,500,738,093,969.94/31,403,415.96
  6. Step 6: Final answer
    x = 14,759,564.33

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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.