Finding the Fourth Proportional to 19,468,913.96, 26,866,424.52 and 11,208,702.44
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Solution
The fourth proportional to 19,468,913.96, 26,866,424.52 and 11,208,702.44 is: 15,467,619.75
Step by Step Solution
- Step 1: Write the proportion equation
19,468,913.96 : 26,866,424.52 = 11,208,702.44 : x - Step 2: Convert to fraction form
19,468,913.96/26,866,424.52 = 11,208,702.44/x - Step 3: Cross multiply
19,468,913.96x = 26,866,424.52 × 11,208,702.44 - Step 4: Simplify right side
19,468,913.96x = 301,137,758,071,399.81 - Step 5: Solve for x
x = 301,137,758,071,399.81/19,468,913.96 - Step 6: Final answer
x = 15,467,619.75
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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.