Finding the Fourth Proportional to 10,738,115.75, 14,818,602.17 and 5,909,219.75
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Solution
The fourth proportional to 10,738,115.75, 14,818,602.17 and 5,909,219.75 is: 8,154,724.59
Step by Step Solution
- Step 1: Write the proportion equation
10,738,115.75 : 14,818,602.17 = 5,909,219.75 : x - Step 2: Convert to fraction form
10,738,115.75/14,818,602.17 = 5,909,219.75/x - Step 3: Cross multiply
10,738,115.75x = 14,818,602.17 × 5,909,219.75 - Step 4: Simplify right side
10,738,115.75x = 87,566,376,610,356.86 - Step 5: Solve for x
x = 87,566,376,610,356.86/10,738,115.75 - Step 6: Final answer
x = 8,154,724.59
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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.