Finding the Fourth Proportional to 18,337,366.98, 27,506,964.15 and 6,978,695.94
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Solution
The fourth proportional to 18,337,366.98, 27,506,964.15 and 6,978,695.94 is: 10,468,391.63
Step by Step Solution
- Step 1: Write the proportion equation
18,337,366.98 : 27,506,964.15 = 6,978,695.94 : x - Step 2: Convert to fraction form
18,337,366.98/27,506,964.15 = 6,978,695.94/x - Step 3: Cross multiply
18,337,366.98x = 27,506,964.15 × 6,978,695.94 - Step 4: Simplify right side
18,337,366.98x = 191,962,739,035,330.56 - Step 5: Solve for x
x = 191,962,739,035,330.56/18,337,366.98 - Step 6: Final answer
x = 10,468,391.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.