Home / 8,994,876.20-12,412,945.49-4,920,495.20

Finding the Fourth Proportional to 8,994,876.20, 12,412,945.49 and 4,920,495.20

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Solution

The fourth proportional to 8,994,876.20, 12,412,945.49 and 4,920,495.20 is: 6,790,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994,876.20 : 12,412,945.49 = 4,920,495.20 : x
  2. Step 2: Convert to fraction form
    8,994,876.20/12,412,945.49 = 4,920,495.20/x
  3. Step 3: Cross multiply
    8,994,876.20x = 12,412,945.49 × 4,920,495.20
  4. Step 4: Simplify right side
    8,994,876.20x = 61,077,838,701,406.65
  5. Step 5: Solve for x
    x = 61,077,838,701,406.65/8,994,876.20
  6. Step 6: Final answer
    x = 6,790,292.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.