Finding the Fourth Proportional to 9,778,478.49, 14,682,112.99 and 5,468,971.76
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Solution
The fourth proportional to 9,778,478.49, 14,682,112.99 and 5,468,971.76 is: 8,211,508.71
Step by Step Solution
- Step 1: Write the proportion equation
9,778,478.49 : 14,682,112.99 = 5,468,971.76 : x - Step 2: Convert to fraction form
9,778,478.49/14,682,112.99 = 5,468,971.76/x - Step 3: Cross multiply
9,778,478.49x = 14,682,112.99 × 5,468,971.76 - Step 4: Simplify right side
9,778,478.49x = 80,296,061,319,439.16 - Step 5: Solve for x
x = 80,296,061,319,439.16/9,778,478.49 - Step 6: Final answer
x = 8,211,508.71
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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.