Finding the Fourth Proportional to 10,719,643.74, 14,793,056.85 and 6,073,419.62
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Solution
The fourth proportional to 10,719,643.74, 14,793,056.85 and 6,073,419.62 is: 8,381,289.88
Step by Step Solution
- Step 1: Write the proportion equation
10,719,643.74 : 14,793,056.85 = 6,073,419.62 : x - Step 2: Convert to fraction form
10,719,643.74/14,793,056.85 = 6,073,419.62/x - Step 3: Cross multiply
10,719,643.74x = 14,793,056.85 × 6,073,419.62 - Step 4: Simplify right side
10,719,643.74x = 89,844,441,638,600.11 - Step 5: Solve for x
x = 89,844,441,638,600.11/10,719,643.74 - Step 6: Final answer
x = 8,381,289.88
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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.