Home / 8,994,876.21-12,412,945.49-4,920,495.21

Finding the Fourth Proportional to 8,994,876.21, 12,412,945.49 and 4,920,495.21

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Solution

The fourth proportional to 8,994,876.21, 12,412,945.49 and 4,920,495.21 is: 6,790,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994,876.21 : 12,412,945.49 = 4,920,495.21 : x
  2. Step 2: Convert to fraction form
    8,994,876.21/12,412,945.49 = 4,920,495.21/x
  3. Step 3: Cross multiply
    8,994,876.21x = 12,412,945.49 × 4,920,495.21
  4. Step 4: Simplify right side
    8,994,876.21x = 61,077,838,825,536.10
  5. Step 5: Solve for x
    x = 61,077,838,825,536.10/8,994,876.21
  6. Step 6: Final answer
    x = 6,790,292.32

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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.