Finding the Fourth Proportional to 20,167,927.68, 27,833,896.08 and 12,332,032.32
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Solution
The fourth proportional to 20,167,927.68, 27,833,896.08 and 12,332,032.32 is: 17,019,522.85
Step by Step Solution
- Step 1: Write the proportion equation
20,167,927.68 : 27,833,896.08 = 12,332,032.32 : x - Step 2: Convert to fraction form
20,167,927.68/27,833,896.08 = 12,332,032.32/x - Step 3: Cross multiply
20,167,927.68x = 27,833,896.08 × 12,332,032.32 - Step 4: Simplify right side
20,167,927.68x = 343,248,506,050,081.31 - Step 5: Solve for x
x = 343,248,506,050,081.31/20,167,927.68 - Step 6: Final answer
x = 17,019,522.85
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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.