Finding the Fourth Proportional to 62,717,642.24, 86,552,804.96 and 42,912,947.20
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Solution
The fourth proportional to 62,717,642.24, 86,552,804.96 and 42,912,947.20 is: 59,221,549.42
Step by Step Solution
- Step 1: Write the proportion equation
62,717,642.24 : 86,552,804.96 = 42,912,947.20 : x - Step 2: Convert to fraction form
62,717,642.24/86,552,804.96 = 42,912,947.20/x - Step 3: Cross multiply
62,717,642.24x = 86,552,804.96 × 42,912,947.20 - Step 4: Simplify right side
62,717,642.24x = 3,714,235,949,260,378 - Step 5: Solve for x
x = 3,714,235,949,260,378/62,717,642.24 - Step 6: Final answer
x = 59,221,549.42
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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.