Finding the Fourth Proportional to 62,943,966.08, 86,778,912.84 and 47,195,991.44
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Solution
The fourth proportional to 62,943,966.08, 86,778,912.84 and 47,195,991.44 is: 65,067,663.87
Step by Step Solution
- Step 1: Write the proportion equation
62,943,966.08 : 86,778,912.84 = 47,195,991.44 : x - Step 2: Convert to fraction form
62,943,966.08/86,778,912.84 = 47,195,991.44/x - Step 3: Cross multiply
62,943,966.08x = 86,778,912.84 × 47,195,991.44 - Step 4: Simplify right side
62,943,966.08x = 4,095,616,827,569,146 - Step 5: Solve for x
x = 4,095,616,827,569,146/62,943,966.08 - Step 6: Final answer
x = 65,067,663.87
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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.