Finding the Fourth Proportional to 36,653,679.12, 50,579,127.36 and 21,184,765.68
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Solution
The fourth proportional to 36,653,679.12, 50,579,127.36 and 21,184,765.68 is: 29,233,271.72
Step by Step Solution
- Step 1: Write the proportion equation
36,653,679.12 : 50,579,127.36 = 21,184,765.68 : x - Step 2: Convert to fraction form
36,653,679.12/50,579,127.36 = 21,184,765.68/x - Step 3: Cross multiply
36,653,679.12x = 50,579,127.36 × 21,184,765.68 - Step 4: Simplify right side
36,653,679.12x = 1,071,506,961,420,477 - Step 5: Solve for x
x = 1,071,506,961,420,477/36,653,679.12 - Step 6: Final answer
x = 29,233,271.72
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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.