Home / 21,839,091.40-32,630,706.77-21,075,333.64

Finding the Fourth Proportional to 21,839,091.40, 32,630,706.77 and 21,075,333.64

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Solution

The fourth proportional to 21,839,091.40, 32,630,706.77 and 21,075,333.64 is: 31,489,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839,091.40 : 32,630,706.77 = 21,075,333.64 : x
  2. Step 2: Convert to fraction form
    21,839,091.40/32,630,706.77 = 21,075,333.64/x
  3. Step 3: Cross multiply
    21,839,091.40x = 32,630,706.77 × 21,075,333.64
  4. Step 4: Simplify right side
    21,839,091.40x = 687,703,032,086,756.75
  5. Step 5: Solve for x
    x = 687,703,032,086,756.75/21,839,091.40
  6. Step 6: Final answer
    x = 31,489,544.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.