Home / 21,033,875.97-31,554,300.24-7,383,480.57

Finding the Fourth Proportional to 21,033,875.97, 31,554,300.24 and 7,383,480.57

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Solution

The fourth proportional to 21,033,875.97, 31,554,300.24 and 7,383,480.57 is: 11,076,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,875.97 : 31,554,300.24 = 7,383,480.57 : x
  2. Step 2: Convert to fraction form
    21,033,875.97/31,554,300.24 = 7,383,480.57/x
  3. Step 3: Cross multiply
    21,033,875.97x = 31,554,300.24 × 7,383,480.57
  4. Step 4: Simplify right side
    21,033,875.97x = 232,980,562,721,986.34
  5. Step 5: Solve for x
    x = 232,980,562,721,986.34/21,033,875.97
  6. Step 6: Final answer
    x = 11,076,444.64

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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.