Finding the Fourth Proportional to 7,789,779.36, 10,750,114.80 and 4,352,398.56
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Solution
The fourth proportional to 7,789,779.36, 10,750,114.80 and 4,352,398.56 is: 6,006,432.53
Step by Step Solution
- Step 1: Write the proportion equation
7,789,779.36 : 10,750,114.80 = 4,352,398.56 : x - Step 2: Convert to fraction form
7,789,779.36/10,750,114.80 = 4,352,398.56/x - Step 3: Cross multiply
7,789,779.36x = 10,750,114.80 × 4,352,398.56 - Step 4: Simplify right side
7,789,779.36x = 46,788,784,175,354.69 - Step 5: Solve for x
x = 46,788,784,175,354.69/7,789,779.36 - Step 6: Final answer
x = 6,006,432.53
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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.