Finding the Fourth Proportional to 28,017,719.36, 41,987,073 and 13,230,036.20
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Solution
The fourth proportional to 28,017,719.36, 41,987,073 and 13,230,036.20 is: 19,826,399.45
Step by Step Solution
- Step 1: Write the proportion equation
28,017,719.36 : 41,987,073 = 13,230,036.20 : x - Step 2: Convert to fraction form
28,017,719.36/41,987,073 = 13,230,036.20/x - Step 3: Cross multiply
28,017,719.36x = 41,987,073 × 13,230,036.20 - Step 4: Simplify right side
28,017,719.36x = 555,490,495,512,107.25 - Step 5: Solve for x
x = 555,490,495,512,107.25/28,017,719.36 - Step 6: Final answer
x = 19,826,399.45
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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.