Finding the Fourth Proportional to 8,615,326.38, 11,889,197.19 and 4,943,950.62
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Solution
The fourth proportional to 8,615,326.38, 11,889,197.19 and 4,943,950.62 is: 6,822,678.70
Step by Step Solution
- Step 1: Write the proportion equation
8,615,326.38 : 11,889,197.19 = 4,943,950.62 : x - Step 2: Convert to fraction form
8,615,326.38/11,889,197.19 = 4,943,950.62/x - Step 3: Cross multiply
8,615,326.38x = 11,889,197.19 × 4,943,950.62 - Step 4: Simplify right side
8,615,326.38x = 58,779,603,818,802.76 - Step 5: Solve for x
x = 58,779,603,818,802.76/8,615,326.38 - Step 6: Final answer
x = 6,822,678.70
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1.5x scale
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.