Finding the Fourth Proportional to 19,178,950.24, 28,768,674.75 and 6,399,454.96
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Solution
The fourth proportional to 19,178,950.24, 28,768,674.75 and 6,399,454.96 is: 9,599,265.65
Step by Step Solution
- Step 1: Write the proportion equation
19,178,950.24 : 28,768,674.75 = 6,399,454.96 : x - Step 2: Convert to fraction form
19,178,950.24/28,768,674.75 = 6,399,454.96/x - Step 3: Cross multiply
19,178,950.24x = 28,768,674.75 × 6,399,454.96 - Step 4: Simplify right side
19,178,950.24x = 184,103,838,321,514.25 - Step 5: Solve for x
x = 184,103,838,321,514.25/19,178,950.24 - Step 6: Final answer
x = 9,599,265.65
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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.