Finding the Fourth Proportional to 18,005,312.58, 24,847,329.43 and 9,745,373.53
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Solution
The fourth proportional to 18,005,312.58, 24,847,329.43 and 9,745,373.53 is: 13,448,614.43
Step by Step Solution
- Step 1: Write the proportion equation
18,005,312.58 : 24,847,329.43 = 9,745,373.53 : x - Step 2: Convert to fraction form
18,005,312.58/24,847,329.43 = 9,745,373.53/x - Step 3: Cross multiply
18,005,312.58x = 24,847,329.43 × 9,745,373.53 - Step 4: Simplify right side
18,005,312.58x = 242,146,506,518,311.97 - Step 5: Solve for x
x = 242,146,506,518,311.97/18,005,312.58 - Step 6: Final answer
x = 13,448,614.43
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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.