Finding the Fourth Proportional to 8,559,929.70, 11,813,548.14 and 4,889,395.26
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Solution
The fourth proportional to 8,559,929.70, 11,813,548.14 and 4,889,395.26 is: 6,747,848.21
Step by Step Solution
- Step 1: Write the proportion equation
8,559,929.70 : 11,813,548.14 = 4,889,395.26 : x - Step 2: Convert to fraction form
8,559,929.70/11,813,548.14 = 4,889,395.26/x - Step 3: Cross multiply
8,559,929.70x = 11,813,548.14 × 4,889,395.26 - Step 4: Simplify right side
8,559,929.70x = 57,761,106,279,497.82 - Step 5: Solve for x
x = 57,761,106,279,497.82/8,559,929.70 - Step 6: Final answer
x = 6,747,848.21
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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.