Finding the Fourth Proportional to 8,778,395.70, 13,166,263.11 and 2,389,145.94
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Solution
The fourth proportional to 8,778,395.70, 13,166,263.11 and 2,389,145.94 is: 3,583,356.81
Step by Step Solution
- Step 1: Write the proportion equation
8,778,395.70 : 13,166,263.11 = 2,389,145.94 : x - Step 2: Convert to fraction form
8,778,395.70/13,166,263.11 = 2,389,145.94/x - Step 3: Cross multiply
8,778,395.70x = 13,166,263.11 × 2,389,145.94 - Step 4: Simplify right side
8,778,395.70x = 31,456,124,054,228.27 - Step 5: Solve for x
x = 31,456,124,054,228.27/8,778,395.70 - Step 6: Final answer
x = 3,583,356.81
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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.