Finding the Fourth Proportional to 11,574,557.16, 15,972,911.21 and 6,347,602.02
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Solution
The fourth proportional to 11,574,557.16, 15,972,911.21 and 6,347,602.02 is: 8,759,703.03
Step by Step Solution
- Step 1: Write the proportion equation
11,574,557.16 : 15,972,911.21 = 6,347,602.02 : x - Step 2: Convert to fraction form
11,574,557.16/15,972,911.21 = 6,347,602.02/x - Step 3: Cross multiply
11,574,557.16x = 15,972,911.21 × 6,347,602.02 - Step 4: Simplify right side
11,574,557.16x = 101,389,683,461,876.64 - Step 5: Solve for x
x = 101,389,683,461,876.64/11,574,557.16 - Step 6: Final answer
x = 8,759,703.03
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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.