Finding the Fourth Proportional to 27,779,089.08, 38,337,497.99 and 15,393,067.89
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Solution
The fourth proportional to 27,779,089.08, 38,337,497.99 and 15,393,067.89 is: 21,243,738.68
Step by Step Solution
- Step 1: Write the proportion equation
27,779,089.08 : 38,337,497.99 = 15,393,067.89 : x - Step 2: Convert to fraction form
27,779,089.08/38,337,497.99 = 15,393,067.89/x - Step 3: Cross multiply
27,779,089.08x = 38,337,497.99 × 15,393,067.89 - Step 4: Simplify right side
27,779,089.08x = 590,131,709,292,808.62 - Step 5: Solve for x
x = 590,131,709,292,808.62/27,779,089.08 - Step 6: Final answer
x = 21,243,738.68
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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.