Home / 12,912,809.80-19,319,448.30-8,433,833.80

Finding the Fourth Proportional to 12,912,809.80, 19,319,448.30 and 8,433,833.80

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Solution

The fourth proportional to 12,912,809.80, 19,319,448.30 and 8,433,833.80 is: 12,618,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,809.80 : 19,319,448.30 = 8,433,833.80 : x
  2. Step 2: Convert to fraction form
    12,912,809.80/19,319,448.30 = 8,433,833.80/x
  3. Step 3: Cross multiply
    12,912,809.80x = 19,319,448.30 × 8,433,833.80
  4. Step 4: Simplify right side
    12,912,809.80x = 162,937,016,069,892.56
  5. Step 5: Solve for x
    x = 162,937,016,069,892.56/12,912,809.80
  6. Step 6: Final answer
    x = 12,618,246.42

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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.