Home / 39,158,532.51-54,035,611.73-22,639,721.81

Finding the Fourth Proportional to 39,158,532.51, 54,035,611.73 and 22,639,721.81

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Solution

The fourth proportional to 39,158,532.51, 54,035,611.73 and 22,639,721.81 is: 31,240,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158,532.51 : 54,035,611.73 = 22,639,721.81 : x
  2. Step 2: Convert to fraction form
    39,158,532.51/54,035,611.73 = 22,639,721.81/x
  3. Step 3: Cross multiply
    39,158,532.51x = 54,035,611.73 × 22,639,721.81
  4. Step 4: Simplify right side
    39,158,532.51x = 1,223,351,217,130,194.75
  5. Step 5: Solve for x
    x = 1,223,351,217,130,194.75/39,158,532.51
  6. Step 6: Final answer
    x = 31,240,987.31

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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.