Finding the Fourth Proportional to 51,163,621.44, 70,605,653.20 and 27,958,895.36
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Solution
The fourth proportional to 51,163,621.44, 70,605,653.20 and 27,958,895.36 is: 38,583,196.69
Step by Step Solution
- Step 1: Write the proportion equation
51,163,621.44 : 70,605,653.20 = 27,958,895.36 : x - Step 2: Convert to fraction form
51,163,621.44/70,605,653.20 = 27,958,895.36/x - Step 3: Cross multiply
51,163,621.44x = 70,605,653.20 × 27,958,895.36 - Step 4: Simplify right side
51,163,621.44x = 1,974,056,069,643,249.25 - Step 5: Solve for x
x = 1,974,056,069,643,249.25/51,163,621.44 - Step 6: Final answer
x = 38,583,196.69
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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.