Finding the Fourth Proportional to 13,374,755.95, 18,462,813.27 and 9,029,727.62
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Solution
The fourth proportional to 13,374,755.95, 18,462,813.27 and 9,029,727.62 is: 12,464,838.65
Step by Step Solution
- Step 1: Write the proportion equation
13,374,755.95 : 18,462,813.27 = 9,029,727.62 : x - Step 2: Convert to fraction form
13,374,755.95/18,462,813.27 = 9,029,727.62/x - Step 3: Cross multiply
13,374,755.95x = 18,462,813.27 × 9,029,727.62 - Step 4: Simplify right side
13,374,755.95x = 166,714,174,927,021.50 - Step 5: Solve for x
x = 166,714,174,927,021.50/13,374,755.95 - Step 6: Final answer
x = 12,464,838.65
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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.