Finding the Fourth Proportional to 19,648,899.68, 27,114,845.90 and 11,277,647.46
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Solution
The fourth proportional to 19,648,899.68, 27,114,845.90 and 11,277,647.46 is: 15,562,788.65
Step by Step Solution
- Step 1: Write the proportion equation
19,648,899.68 : 27,114,845.90 = 11,277,647.46 : x - Step 2: Convert to fraction form
19,648,899.68/27,114,845.90 = 11,277,647.46/x - Step 3: Cross multiply
19,648,899.68x = 27,114,845.90 × 11,277,647.46 - Step 4: Simplify right side
19,648,899.68x = 305,791,672,936,038.19 - Step 5: Solve for x
x = 305,791,672,936,038.19/19,648,899.68 - Step 6: Final answer
x = 15,562,788.65
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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.