Finding the Fourth Proportional to 13,197,701.70, 19,796,552.55 and 5,623,683.30
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Solution
The fourth proportional to 13,197,701.70, 19,796,552.55 and 5,623,683.30 is: 8,435,524.95
Step by Step Solution
- Step 1: Write the proportion equation
13,197,701.70 : 19,796,552.55 = 5,623,683.30 : x - Step 2: Convert to fraction form
13,197,701.70/19,796,552.55 = 5,623,683.30/x - Step 3: Cross multiply
13,197,701.70x = 19,796,552.55 × 5,623,683.30 - Step 4: Simplify right side
13,197,701.70x = 111,329,541,973,007.42 - Step 5: Solve for x
x = 111,329,541,973,007.42/13,197,701.70 - Step 6: Final answer
x = 8,435,524.95
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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.