Finding the Fourth Proportional to 7,083,140.74, 10,569,467.75 and 6,319,734.37
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Solution
The fourth proportional to 7,083,140.74, 10,569,467.75 and 6,319,734.37 is: 9,430,312.21
Step by Step Solution
- Step 1: Write the proportion equation
7,083,140.74 : 10,569,467.75 = 6,319,734.37 : x - Step 2: Convert to fraction form
7,083,140.74/10,569,467.75 = 6,319,734.37/x - Step 3: Cross multiply
7,083,140.74x = 10,569,467.75 × 6,319,734.37 - Step 4: Simplify right side
7,083,140.74x = 66,796,228,554,259.22 - Step 5: Solve for x
x = 66,796,228,554,259.22/7,083,140.74 - Step 6: Final answer
x = 9,430,312.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.