Finding the Fourth Proportional to 7,803,433.58, 10,768,658.99 and 4,318,779.15
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Solution
The fourth proportional to 7,803,433.58, 10,768,658.99 and 4,318,779.15 is: 5,959,871.31
Step by Step Solution
- Step 1: Write the proportion equation
7,803,433.58 : 10,768,658.99 = 4,318,779.15 : x - Step 2: Convert to fraction form
7,803,433.58/10,768,658.99 = 4,318,779.15/x - Step 3: Cross multiply
7,803,433.58x = 10,768,658.99 × 4,318,779.15 - Step 4: Simplify right side
7,803,433.58x = 46,507,459,897,878.16 - Step 5: Solve for x
x = 46,507,459,897,878.16/7,803,433.58 - Step 6: Final answer
x = 5,959,871.31
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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.