Finding the Fourth Proportional to 36,653,871.12, 50,579,392.32 and 21,184,957.68
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Solution
The fourth proportional to 36,653,871.12, 50,579,392.32 and 21,184,957.68 is: 29,233,536.68
Step by Step Solution
- Step 1: Write the proportion equation
36,653,871.12 : 50,579,392.32 = 21,184,957.68 : x - Step 2: Convert to fraction form
36,653,871.12/50,579,392.32 = 21,184,957.68/x - Step 3: Cross multiply
36,653,871.12x = 50,579,392.32 × 21,184,957.68 - Step 4: Simplify right side
36,653,871.12x = 1,071,522,285,779,317 - Step 5: Solve for x
x = 1,071,522,285,779,317/36,653,871.12 - Step 6: Final answer
x = 29,233,536.68
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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.