Finding the Fourth Proportional to 53,164,392.44, 79,746,588.68 and 12,774,876.44
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Solution
The fourth proportional to 53,164,392.44, 79,746,588.68 and 12,774,876.44 is: 19,162,314.66
Step by Step Solution
- Step 1: Write the proportion equation
53,164,392.44 : 79,746,588.68 = 12,774,876.44 : x - Step 2: Convert to fraction form
53,164,392.44/79,746,588.68 = 12,774,876.44/x - Step 3: Cross multiply
53,164,392.44x = 79,746,588.68 × 12,774,876.44 - Step 4: Simplify right side
53,164,392.44x = 1,018,752,816,898,502.75 - Step 5: Solve for x
x = 1,018,752,816,898,502.75/53,164,392.44 - Step 6: Final answer
x = 19,162,314.66
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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.