Finding the Fourth Proportional to 7,413,544.98, 11,128,177.98 and 6,566,117.99
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Solution
The fourth proportional to 7,413,544.98, 11,128,177.98 and 6,566,117.99 is: 9,856,138.97
Step by Step Solution
- Step 1: Write the proportion equation
7,413,544.98 : 11,128,177.98 = 6,566,117.99 : x - Step 2: Convert to fraction form
7,413,544.98/11,128,177.98 = 6,566,117.99/x - Step 3: Cross multiply
7,413,544.98x = 11,128,177.98 × 6,566,117.99 - Step 4: Simplify right side
7,413,544.98x = 73,068,929,574,758.98 - Step 5: Solve for x
x = 73,068,929,574,758.98/7,413,544.98 - Step 6: Final answer
x = 9,856,138.97
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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.