Home / 12,984,365.70-19,476,548.55-12,431,492.10

Finding the Fourth Proportional to 12,984,365.70, 19,476,548.55 and 12,431,492.10

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Solution

The fourth proportional to 12,984,365.70, 19,476,548.55 and 12,431,492.10 is: 18,647,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,365.70 : 19,476,548.55 = 12,431,492.10 : x
  2. Step 2: Convert to fraction form
    12,984,365.70/19,476,548.55 = 12,431,492.10/x
  3. Step 3: Cross multiply
    12,984,365.70x = 19,476,548.55 × 12,431,492.10
  4. Step 4: Simplify right side
    12,984,365.70x = 242,122,559,434,591.47
  5. Step 5: Solve for x
    x = 242,122,559,434,591.47/12,984,365.70
  6. Step 6: Final answer
    x = 18,647,238.15

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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.