Home / 21,839,987.20-32,759,980.80-17,588,459.20

Finding the Fourth Proportional to 21,839,987.20, 32,759,980.80 and 17,588,459.20

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Solution

The fourth proportional to 21,839,987.20, 32,759,980.80 and 17,588,459.20 is: 26,382,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839,987.20 : 32,759,980.80 = 17,588,459.20 : x
  2. Step 2: Convert to fraction form
    21,839,987.20/32,759,980.80 = 17,588,459.20/x
  3. Step 3: Cross multiply
    21,839,987.20x = 32,759,980.80 × 17,588,459.20
  4. Step 4: Simplify right side
    21,839,987.20x = 576,197,585,693,583.38
  5. Step 5: Solve for x
    x = 576,197,585,693,583.38/21,839,987.20
  6. Step 6: Final answer
    x = 26,382,688.80

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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.