Finding the Fourth Proportional to 11,868,402, 16,378,394.76 and 6,435,898.32
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Solution
The fourth proportional to 11,868,402, 16,378,394.76 and 6,435,898.32 is: 8,881,539.68
Step by Step Solution
- Step 1: Write the proportion equation
11,868,402 : 16,378,394.76 = 6,435,898.32 : x - Step 2: Convert to fraction form
11,868,402/16,378,394.76 = 6,435,898.32/x - Step 3: Cross multiply
11,868,402x = 16,378,394.76 × 6,435,898.32 - Step 4: Simplify right side
11,868,402x = 105,409,683,320,180.81 - Step 5: Solve for x
x = 105,409,683,320,180.81/11,868,402 - Step 6: Final answer
x = 8,881,539.68
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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.