Finding the Fourth Proportional to 14,984,994.18, 20,679,328.71 and 8,109,526.26
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Solution
The fourth proportional to 14,984,994.18, 20,679,328.71 and 8,109,526.26 is: 11,191,166.12
Step by Step Solution
- Step 1: Write the proportion equation
14,984,994.18 : 20,679,328.71 = 8,109,526.26 : x - Step 2: Convert to fraction form
14,984,994.18/20,679,328.71 = 8,109,526.26/x - Step 3: Cross multiply
14,984,994.18x = 20,679,328.71 × 8,109,526.26 - Step 4: Simplify right side
14,984,994.18x = 167,699,559,212,916.94 - Step 5: Solve for x
x = 167,699,559,212,916.94/14,984,994.18 - Step 6: Final answer
x = 11,191,166.12
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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.