Finding the Fourth Proportional to 11,858,328.74, 16,357,920.91 and 6,896,226.83
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Solution
The fourth proportional to 11,858,328.74, 16,357,920.91 and 6,896,226.83 is: 9,512,970.62
Step by Step Solution
- Step 1: Write the proportion equation
11,858,328.74 : 16,357,920.91 = 6,896,226.83 : x - Step 2: Convert to fraction form
11,858,328.74/16,357,920.91 = 6,896,226.83/x - Step 3: Cross multiply
11,858,328.74x = 16,357,920.91 × 6,896,226.83 - Step 4: Simplify right side
11,858,328.74x = 112,807,932,963,529.84 - Step 5: Solve for x
x = 112,807,932,963,529.84/11,858,328.74 - Step 6: Final answer
x = 9,512,970.62
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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.