Finding the Fourth Proportional to 7,000,788.36, 9,661,030.74 and 3,903,274.92
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Solution
The fourth proportional to 7,000,788.36, 9,661,030.74 and 3,903,274.92 is: 5,386,487.50
Step by Step Solution
- Step 1: Write the proportion equation
7,000,788.36 : 9,661,030.74 = 3,903,274.92 : x - Step 2: Convert to fraction form
7,000,788.36/9,661,030.74 = 3,903,274.92/x - Step 3: Cross multiply
7,000,788.36x = 9,661,030.74 × 3,903,274.92 - Step 4: Simplify right side
7,000,788.36x = 37,709,658,988,791.04 - Step 5: Solve for x
x = 37,709,658,988,791.04/7,000,788.36 - Step 6: Final answer
x = 5,386,487.50
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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.