Finding the Fourth Proportional to 27,779,088.83, 38,337,497.64 and 15,393,067.63
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Solution
The fourth proportional to 27,779,088.83, 38,337,497.64 and 15,393,067.63 is: 21,243,738.32
Step by Step Solution
- Step 1: Write the proportion equation
27,779,088.83 : 38,337,497.64 = 15,393,067.63 : x - Step 2: Convert to fraction form
27,779,088.83/38,337,497.64 = 15,393,067.63/x - Step 3: Cross multiply
27,779,088.83x = 38,337,497.64 × 15,393,067.63 - Step 4: Simplify right side
27,779,088.83x = 590,131,693,841,641.62 - Step 5: Solve for x
x = 590,131,693,841,641.62/27,779,088.83 - Step 6: Final answer
x = 21,243,738.32
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1.5x scale
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.