Finding the Fourth Proportional to 21,352,845.15, 32,030,153.52 and 6,206,776.65
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Solution
The fourth proportional to 21,352,845.15, 32,030,153.52 and 6,206,776.65 is: 9,310,422.46
Step by Step Solution
- Step 1: Write the proportion equation
21,352,845.15 : 32,030,153.52 = 6,206,776.65 : x - Step 2: Convert to fraction form
21,352,845.15/32,030,153.52 = 6,206,776.65/x - Step 3: Cross multiply
21,352,845.15x = 32,030,153.52 × 6,206,776.65 - Step 4: Simplify right side
21,352,845.15x = 198,804,008,963,851.31 - Step 5: Solve for x
x = 198,804,008,963,851.31/21,352,845.15 - Step 6: Final answer
x = 9,310,422.46
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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.