Finding the Fourth Proportional to 18,598,788.30, 27,848,416.05 and 11,830,557.90
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Solution
The fourth proportional to 18,598,788.30, 27,848,416.05 and 11,830,557.90 is: 17,714,180.79
Step by Step Solution
- Step 1: Write the proportion equation
18,598,788.30 : 27,848,416.05 = 11,830,557.90 : x - Step 2: Convert to fraction form
18,598,788.30/27,848,416.05 = 11,830,557.90/x - Step 3: Cross multiply
18,598,788.30x = 27,848,416.05 × 11,830,557.90 - Step 4: Simplify right side
18,598,788.30x = 329,462,298,502,814.31 - Step 5: Solve for x
x = 329,462,298,502,814.31/18,598,788.30 - Step 6: Final answer
x = 17,714,180.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.