Finding the Fourth Proportional to 16,312,972.88, 22,511,426.66 and 8,970,798.32
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Solution
The fourth proportional to 16,312,972.88, 22,511,426.66 and 8,970,798.32 is: 12,379,439.97
Step by Step Solution
- Step 1: Write the proportion equation
16,312,972.88 : 22,511,426.66 = 8,970,798.32 : x - Step 2: Convert to fraction form
16,312,972.88/22,511,426.66 = 8,970,798.32/x - Step 3: Cross multiply
16,312,972.88x = 22,511,426.66 × 8,970,798.32 - Step 4: Simplify right side
16,312,972.88x = 201,945,468,462,331.22 - Step 5: Solve for x
x = 201,945,468,462,331.22/16,312,972.88 - Step 6: Final answer
x = 12,379,439.97
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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.