Finding the Fourth Proportional to 12,358,119.96, 18,534,646.04 and 4,679,115.53
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Solution
The fourth proportional to 12,358,119.96, 18,534,646.04 and 4,679,115.53 is: 7,017,713.88
Step by Step Solution
- Step 1: Write the proportion equation
12,358,119.96 : 18,534,646.04 = 4,679,115.53 : x - Step 2: Convert to fraction form
12,358,119.96/18,534,646.04 = 4,679,115.53/x - Step 3: Cross multiply
12,358,119.96x = 18,534,646.04 × 4,679,115.53 - Step 4: Simplify right side
12,358,119.96x = 86,725,750,012,748.20 - Step 5: Solve for x
x = 86,725,750,012,748.20/12,358,119.96 - Step 6: Final answer
x = 7,017,713.88
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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.