Home / 13,507,984.56-18,628,424.04-12,504,807.72

Finding the Fourth Proportional to 13,507,984.56, 18,628,424.04 and 12,504,807.72

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Solution

The fourth proportional to 13,507,984.56, 18,628,424.04 and 12,504,807.72 is: 17,244,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,984.56 : 18,628,424.04 = 12,504,807.72 : x
  2. Step 2: Convert to fraction form
    13,507,984.56/18,628,424.04 = 12,504,807.72/x
  3. Step 3: Cross multiply
    13,507,984.56x = 18,628,424.04 × 12,504,807.72
  4. Step 4: Simplify right side
    13,507,984.56x = 232,944,860,746,825.59
  5. Step 5: Solve for x
    x = 232,944,860,746,825.59/13,507,984.56
  6. Step 6: Final answer
    x = 17,244,975.35

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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.