Finding the Fourth Proportional to 14,342,617.84, 19,792,236.36 and 7,816,108.72
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Solution
The fourth proportional to 14,342,617.84, 19,792,236.36 and 7,816,108.72 is: 10,785,916.00
Step by Step Solution
- Step 1: Write the proportion equation
14,342,617.84 : 19,792,236.36 = 7,816,108.72 : x - Step 2: Convert to fraction form
14,342,617.84/19,792,236.36 = 7,816,108.72/x - Step 3: Cross multiply
14,342,617.84x = 19,792,236.36 × 7,816,108.72 - Step 4: Simplify right side
14,342,617.84x = 154,698,271,201,697.06 - Step 5: Solve for x
x = 154,698,271,201,697.06/14,342,617.84 - Step 6: Final answer
x = 10,785,916.00
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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.