Finding the Fourth Proportional to 7,411,685.57, 11,118,425.33 and 2,618,393.93
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Solution
The fourth proportional to 7,411,685.57, 11,118,425.33 and 2,618,393.93 is: 3,927,907.78
Step by Step Solution
- Step 1: Write the proportion equation
7,411,685.57 : 11,118,425.33 = 2,618,393.93 : x - Step 2: Convert to fraction form
7,411,685.57/11,118,425.33 = 2,618,393.93/x - Step 3: Cross multiply
7,411,685.57x = 11,118,425.33 × 2,618,393.93 - Step 4: Simplify right side
7,411,685.57x = 29,112,417,429,572.30 - Step 5: Solve for x
x = 29,112,417,429,572.30/7,411,685.57 - Step 6: Final answer
x = 3,927,907.78
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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.