Home / 13,713,289.13-18,926,266.78-8,487,973.33

Finding the Fourth Proportional to 13,713,289.13, 18,926,266.78 and 8,487,973.33

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Solution

The fourth proportional to 13,713,289.13, 18,926,266.78 and 8,487,973.33 is: 11,714,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,289.13 : 18,926,266.78 = 8,487,973.33 : x
  2. Step 2: Convert to fraction form
    13,713,289.13/18,926,266.78 = 8,487,973.33/x
  3. Step 3: Cross multiply
    13,713,289.13x = 18,926,266.78 × 8,487,973.33
  4. Step 4: Simplify right side
    13,713,289.13x = 160,645,647,628,399.28
  5. Step 5: Solve for x
    x = 160,645,647,628,399.28/13,713,289.13
  6. Step 6: Final answer
    x = 11,714,596.41

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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.