Home / 12,798,110.80-19,197,166.20-12,443,816.80

Finding the Fourth Proportional to 12,798,110.80, 19,197,166.20 and 12,443,816.80

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Solution

The fourth proportional to 12,798,110.80, 19,197,166.20 and 12,443,816.80 is: 18,665,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,110.80 : 19,197,166.20 = 12,443,816.80 : x
  2. Step 2: Convert to fraction form
    12,798,110.80/19,197,166.20 = 12,443,816.80/x
  3. Step 3: Cross multiply
    12,798,110.80x = 19,197,166.20 × 12,443,816.80
  4. Step 4: Simplify right side
    12,798,110.80x = 238,886,019,271,952.16
  5. Step 5: Solve for x
    x = 238,886,019,271,952.16/12,798,110.80
  6. Step 6: Final answer
    x = 18,665,725.20

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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.