Finding the Fourth Proportional to 8,130,625.71, 12,185,101.82 and 4,291,545.62
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Solution
The fourth proportional to 8,130,625.71, 12,185,101.82 and 4,291,545.62 is: 6,431,598.54
Step by Step Solution
- Step 1: Write the proportion equation
8,130,625.71 : 12,185,101.82 = 4,291,545.62 : x - Step 2: Convert to fraction form
8,130,625.71/12,185,101.82 = 4,291,545.62/x - Step 3: Cross multiply
8,130,625.71x = 12,185,101.82 × 4,291,545.62 - Step 4: Simplify right side
8,130,625.71x = 52,292,920,386,066.64 - Step 5: Solve for x
x = 52,292,920,386,066.64/8,130,625.71 - Step 6: Final answer
x = 6,431,598.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.