Finding the Fourth Proportional to 53,146,105.08, 79,719,158.58 and 12,756,589.08
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Solution
The fourth proportional to 53,146,105.08, 79,719,158.58 and 12,756,589.08 is: 19,134,883.85
Step by Step Solution
- Step 1: Write the proportion equation
53,146,105.08 : 79,719,158.58 = 12,756,589.08 : x - Step 2: Convert to fraction form
53,146,105.08/79,719,158.58 = 12,756,589.08/x - Step 3: Cross multiply
53,146,105.08x = 79,719,158.58 × 12,756,589.08 - Step 4: Simplify right side
53,146,105.08x = 1,016,944,547,808,416.25 - Step 5: Solve for x
x = 1,016,944,547,808,416.25/53,146,105.08 - Step 6: Final answer
x = 19,134,883.85
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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.