Home / 21,033,880.98-31,554,307.74-7,383,485.58

Finding the Fourth Proportional to 21,033,880.98, 31,554,307.74 and 7,383,485.58

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Solution

The fourth proportional to 21,033,880.98, 31,554,307.74 and 7,383,485.58 is: 11,076,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,880.98 : 31,554,307.74 = 7,383,485.58 : x
  2. Step 2: Convert to fraction form
    21,033,880.98/31,554,307.74 = 7,383,485.58/x
  3. Step 3: Cross multiply
    21,033,880.98x = 31,554,307.74 × 7,383,485.58
  4. Step 4: Simplify right side
    21,033,880.98x = 232,980,776,185,172.38
  5. Step 5: Solve for x
    x = 232,980,776,185,172.38/21,033,880.98
  6. Step 6: Final answer
    x = 11,076,452.15

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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.