Finding the Fourth Proportional to 7,153,759.29, 9,898,181.61 and 6,237,898.38
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Solution
The fourth proportional to 7,153,759.29, 9,898,181.61 and 6,237,898.38 is: 8,630,965.70
Step by Step Solution
- Step 1: Write the proportion equation
7,153,759.29 : 9,898,181.61 = 6,237,898.38 : x - Step 2: Convert to fraction form
7,153,759.29/9,898,181.61 = 6,237,898.38/x - Step 3: Cross multiply
7,153,759.29x = 9,898,181.61 × 6,237,898.38 - Step 4: Simplify right side
7,153,759.29x = 61,743,851,029,964.79 - Step 5: Solve for x
x = 61,743,851,029,964.79/7,153,759.29 - Step 6: Final answer
x = 8,630,965.70
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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.