Finding the Fourth Proportional to 7,696,000.20, 11,536,386.30 and 3,645,368.40
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Solution
The fourth proportional to 7,696,000.20, 11,536,386.30 and 3,645,368.40 is: 5,464,446.07
Step by Step Solution
- Step 1: Write the proportion equation
7,696,000.20 : 11,536,386.30 = 3,645,368.40 : x - Step 2: Convert to fraction form
7,696,000.20/11,536,386.30 = 3,645,368.40/x - Step 3: Cross multiply
7,696,000.20x = 11,536,386.30 × 3,645,368.40 - Step 4: Simplify right side
7,696,000.20x = 42,054,378,068,212.92 - Step 5: Solve for x
x = 42,054,378,068,212.92/7,696,000.20 - Step 6: Final answer
x = 5,464,446.07
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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.