Finding the Fourth Proportional to 14,478,386.42, 21,684,503.84 and 6,910,666.58
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Solution
The fourth proportional to 14,478,386.42, 21,684,503.84 and 6,910,666.58 is: 10,350,212.49
Step by Step Solution
- Step 1: Write the proportion equation
14,478,386.42 : 21,684,503.84 = 6,910,666.58 : x - Step 2: Convert to fraction form
14,478,386.42/21,684,503.84 = 6,910,666.58/x - Step 3: Cross multiply
14,478,386.42x = 21,684,503.84 × 6,910,666.58 - Step 4: Simplify right side
14,478,386.42x = 149,854,375,990,969.66 - Step 5: Solve for x
x = 149,854,375,990,969.66/14,478,386.42 - Step 6: Final answer
x = 10,350,212.49
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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.