Finding the Fourth Proportional to 11,484,976.05, 15,849,972.95 and 6,328,336.23
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Solution
The fourth proportional to 11,484,976.05, 15,849,972.95 and 6,328,336.23 is: 8,733,493.01
Step by Step Solution
- Step 1: Write the proportion equation
11,484,976.05 : 15,849,972.95 = 6,328,336.23 : x - Step 2: Convert to fraction form
11,484,976.05/15,849,972.95 = 6,328,336.23/x - Step 3: Cross multiply
11,484,976.05x = 15,849,972.95 × 6,328,336.23 - Step 4: Simplify right side
11,484,976.05x = 100,303,958,032,363.31 - Step 5: Solve for x
x = 100,303,958,032,363.31/11,484,976.05 - Step 6: Final answer
x = 8,733,493.01
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1.5x scale
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.