Home / 12,865,245.07-19,300,235.70-4,229,833.15

Finding the Fourth Proportional to 12,865,245.07, 19,300,235.70 and 4,229,833.15

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Solution

The fourth proportional to 12,865,245.07, 19,300,235.70 and 4,229,833.15 is: 6,345,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,245.07 : 19,300,235.70 = 4,229,833.15 : x
  2. Step 2: Convert to fraction form
    12,865,245.07/19,300,235.70 = 4,229,833.15/x
  3. Step 3: Cross multiply
    12,865,245.07x = 19,300,235.70 × 4,229,833.15
  4. Step 4: Simplify right side
    12,865,245.07x = 81,636,776,766,673.45
  5. Step 5: Solve for x
    x = 81,636,776,766,673.45/12,865,245.07
  6. Step 6: Final answer
    x = 6,345,528.31

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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.