Finding the Fourth Proportional to 7,470,368.91, 11,197,053.26 and 4,546,011.98
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Solution
The fourth proportional to 7,470,368.91, 11,197,053.26 and 4,546,011.98 is: 6,813,845.32
Step by Step Solution
- Step 1: Write the proportion equation
7,470,368.91 : 11,197,053.26 = 4,546,011.98 : x - Step 2: Convert to fraction form
7,470,368.91/11,197,053.26 = 4,546,011.98/x - Step 3: Cross multiply
7,470,368.91x = 11,197,053.26 × 4,546,011.98 - Step 4: Simplify right side
7,470,368.91x = 50,901,938,265,920.63 - Step 5: Solve for x
x = 50,901,938,265,920.63/7,470,368.91 - Step 6: Final answer
x = 6,813,845.32
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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.