Finding the Fourth Proportional to 21,973,921.68, 32,957,674.47 and 6,407,567.37
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Solution
The fourth proportional to 21,973,921.68, 32,957,674.47 and 6,407,567.37 is: 9,610,415.59
Step by Step Solution
- Step 1: Write the proportion equation
21,973,921.68 : 32,957,674.47 = 6,407,567.37 : x - Step 2: Convert to fraction form
21,973,921.68/32,957,674.47 = 6,407,567.37/x - Step 3: Cross multiply
21,973,921.68x = 32,957,674.47 × 6,407,567.37 - Step 4: Simplify right side
21,973,921.68x = 211,178,519,525,054.03 - Step 5: Solve for x
x = 211,178,519,525,054.03/21,973,921.68 - Step 6: Final answer
x = 9,610,415.59
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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.