Home / 18,968,853.84-28,438,971-6,181,722.96

Finding the Fourth Proportional to 18,968,853.84, 28,438,971 and 6,181,722.96

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Solution

The fourth proportional to 18,968,853.84, 28,438,971 and 6,181,722.96 is: 9,267,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,853.84 : 28,438,971 = 6,181,722.96 : x
  2. Step 2: Convert to fraction form
    18,968,853.84/28,438,971 = 6,181,722.96/x
  3. Step 3: Cross multiply
    18,968,853.84x = 28,438,971 × 6,181,722.96
  4. Step 4: Simplify right side
    18,968,853.84x = 175,801,839,989,474.16
  5. Step 5: Solve for x
    x = 175,801,839,989,474.16/18,968,853.84
  6. Step 6: Final answer
    x = 9,267,921.06

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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.