Finding the Fourth Proportional to 18,455,874.70, 27,683,812.05 and 17,559,068.02
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Solution
The fourth proportional to 18,455,874.70, 27,683,812.05 and 17,559,068.02 is: 26,338,602.03
Step by Step Solution
- Step 1: Write the proportion equation
18,455,874.70 : 27,683,812.05 = 17,559,068.02 : x - Step 2: Convert to fraction form
18,455,874.70/27,683,812.05 = 17,559,068.02/x - Step 3: Cross multiply
18,455,874.70x = 27,683,812.05 × 17,559,068.02 - Step 4: Simplify right side
18,455,874.70x = 486,101,938,838,845.62 - Step 5: Solve for x
x = 486,101,938,838,845.62/18,455,874.70 - Step 6: Final answer
x = 26,338,602.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.