Home / 12,768,020.20-19,152,030.30-4,248,634.60

Finding the Fourth Proportional to 12,768,020.20, 19,152,030.30 and 4,248,634.60

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Solution

The fourth proportional to 12,768,020.20, 19,152,030.30 and 4,248,634.60 is: 6,372,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,020.20 : 19,152,030.30 = 4,248,634.60 : x
  2. Step 2: Convert to fraction form
    12,768,020.20/19,152,030.30 = 4,248,634.60/x
  3. Step 3: Cross multiply
    12,768,020.20x = 19,152,030.30 × 4,248,634.60
  4. Step 4: Simplify right side
    12,768,020.20x = 81,369,978,592,828.38
  5. Step 5: Solve for x
    x = 81,369,978,592,828.38/12,768,020.20
  6. Step 6: Final answer
    x = 6,372,951.90

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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.