Finding the Fourth Proportional to 7,963,485.52, 10,989,293.44 and 4,701,351.04
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Solution
The fourth proportional to 7,963,485.52, 10,989,293.44 and 4,701,351.04 is: 6,487,677.54
Step by Step Solution
- Step 1: Write the proportion equation
7,963,485.52 : 10,989,293.44 = 4,701,351.04 : x - Step 2: Convert to fraction form
7,963,485.52/10,989,293.44 = 4,701,351.04/x - Step 3: Cross multiply
7,963,485.52x = 10,989,293.44 × 4,701,351.04 - Step 4: Simplify right side
7,963,485.52x = 51,664,526,143,009.17 - Step 5: Solve for x
x = 51,664,526,143,009.17/7,963,485.52 - Step 6: Final answer
x = 6,487,677.54
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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.