Finding the Fourth Proportional to 13,792,336.97, 19,033,423.68 and 7,994,481.75
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Solution
The fourth proportional to 13,792,336.97, 19,033,423.68 and 7,994,481.75 is: 11,032,384.04
Step by Step Solution
- Step 1: Write the proportion equation
13,792,336.97 : 19,033,423.68 = 7,994,481.75 : x - Step 2: Convert to fraction form
13,792,336.97/19,033,423.68 = 7,994,481.75/x - Step 3: Cross multiply
13,792,336.97x = 19,033,423.68 × 7,994,481.75 - Step 4: Simplify right side
13,792,336.97x = 152,162,358,249,777.84 - Step 5: Solve for x
x = 152,162,358,249,777.84/13,792,336.97 - Step 6: Final answer
x = 11,032,384.04
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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.