Finding the Fourth Proportional to 9,736,721.42, 13,436,509.68 and 5,385,804.17
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Solution
The fourth proportional to 9,736,721.42, 13,436,509.68 and 5,385,804.17 is: 7,432,318.00
Step by Step Solution
- Step 1: Write the proportion equation
9,736,721.42 : 13,436,509.68 = 5,385,804.17 : x - Step 2: Convert to fraction form
9,736,721.42/13,436,509.68 = 5,385,804.17/x - Step 3: Cross multiply
9,736,721.42x = 13,436,509.68 × 5,385,804.17 - Step 4: Simplify right side
9,736,721.42x = 72,366,409,797,606.81 - Step 5: Solve for x
x = 72,366,409,797,606.81/9,736,721.42 - Step 6: Final answer
x = 7,432,318.00
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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.