Finding the Fourth Proportional to 7,528,648.06, 10,389,599.94 and 4,090,889.08
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Solution
The fourth proportional to 7,528,648.06, 10,389,599.94 and 4,090,889.08 is: 5,645,462.59
Step by Step Solution
- Step 1: Write the proportion equation
7,528,648.06 : 10,389,599.94 = 4,090,889.08 : x - Step 2: Convert to fraction form
7,528,648.06/10,389,599.94 = 4,090,889.08/x - Step 3: Cross multiply
7,528,648.06x = 10,389,599.94 × 4,090,889.08 - Step 4: Simplify right side
7,528,648.06x = 42,502,700,940,114.66 - Step 5: Solve for x
x = 42,502,700,940,114.66/7,528,648.06 - Step 6: Final answer
x = 5,645,462.59
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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.