Finding the Fourth Proportional to 19,514,967.55, 26,930,628.84 and 10,813,703.74
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Solution
The fourth proportional to 19,514,967.55, 26,930,628.84 and 10,813,703.74 is: 14,922,896.54
Step by Step Solution
- Step 1: Write the proportion equation
19,514,967.55 : 26,930,628.84 = 10,813,703.74 : x - Step 2: Convert to fraction form
19,514,967.55/26,930,628.84 = 10,813,703.74/x - Step 3: Cross multiply
19,514,967.55x = 26,930,628.84 × 10,813,703.74 - Step 4: Simplify right side
19,514,967.55x = 291,219,841,807,659.88 - Step 5: Solve for x
x = 291,219,841,807,659.88/19,514,967.55 - Step 6: Final answer
x = 14,922,896.54
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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.