Finding the Fourth Proportional to 27,933,215.48, 38,565,547.98 and 19,127,402.54
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Solution
The fourth proportional to 27,933,215.48, 38,565,547.98 and 19,127,402.54 is: 26,407,942.94
Step by Step Solution
- Step 1: Write the proportion equation
27,933,215.48 : 38,565,547.98 = 19,127,402.54 : x - Step 2: Convert to fraction form
27,933,215.48/38,565,547.98 = 19,127,402.54/x - Step 3: Cross multiply
27,933,215.48x = 38,565,547.98 × 19,127,402.54 - Step 4: Simplify right side
27,933,215.48x = 737,658,760,389,143.75 - Step 5: Solve for x
x = 737,658,760,389,143.75/27,933,215.48 - Step 6: Final answer
x = 26,407,942.94
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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.