Finding the Fourth Proportional to 14,521,901.76, 21,782,652.84 and 4,943,959.56
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Solution
The fourth proportional to 14,521,901.76, 21,782,652.84 and 4,943,959.56 is: 7,415,871.32
Step by Step Solution
- Step 1: Write the proportion equation
14,521,901.76 : 21,782,652.84 = 4,943,959.56 : x - Step 2: Convert to fraction form
14,521,901.76/21,782,652.84 = 4,943,959.56/x - Step 3: Cross multiply
14,521,901.76x = 21,782,652.84 × 4,943,959.56 - Step 4: Simplify right side
14,521,901.76x = 107,692,554,750,479.14 - Step 5: Solve for x
x = 107,692,554,750,479.14/14,521,901.76 - Step 6: Final answer
x = 7,415,871.32
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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.