Finding the Fourth Proportional to 27,067,781.07, 40,612,306.50 and 11,911,083.75
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Solution
The fourth proportional to 27,067,781.07, 40,612,306.50 and 11,911,083.75 is: 17,871,305.47
Step by Step Solution
- Step 1: Write the proportion equation
27,067,781.07 : 40,612,306.50 = 11,911,083.75 : x - Step 2: Convert to fraction form
27,067,781.07/40,612,306.50 = 11,911,083.75/x - Step 3: Cross multiply
27,067,781.07x = 40,612,306.50 × 11,911,083.75 - Step 4: Simplify right side
27,067,781.07x = 483,736,584,002,169.38 - Step 5: Solve for x
x = 483,736,584,002,169.38/27,067,781.07 - Step 6: Final answer
x = 17,871,305.47
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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.