Home / 18,798,674.54-28,192,271.43-13,000,133.48

Finding the Fourth Proportional to 18,798,674.54, 28,192,271.43 and 13,000,133.48

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Solution

The fourth proportional to 18,798,674.54, 28,192,271.43 and 13,000,133.48 is: 19,496,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798,674.54 : 28,192,271.43 = 13,000,133.48 : x
  2. Step 2: Convert to fraction form
    18,798,674.54/28,192,271.43 = 13,000,133.48/x
  3. Step 3: Cross multiply
    18,798,674.54x = 28,192,271.43 × 13,000,133.48
  4. Step 4: Simplify right side
    18,798,674.54x = 366,503,291,602,179.62
  5. Step 5: Solve for x
    x = 366,503,291,602,179.62/18,798,674.54
  6. Step 6: Final answer
    x = 19,496,230.49

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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.