Finding the Fourth Proportional to 19,718,137.80, 29,577,206.70 and 19,718,137.80
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Solution
The fourth proportional to 19,718,137.80, 29,577,206.70 and 19,718,137.80 is: 29,577,206.70
Step by Step Solution
- Step 1: Write the proportion equation
19,718,137.80 : 29,577,206.70 = 19,718,137.80 : x - Step 2: Convert to fraction form
19,718,137.80/29,577,206.70 = 19,718,137.80/x - Step 3: Cross multiply
19,718,137.80x = 29,577,206.70 × 19,718,137.80 - Step 4: Simplify right side
19,718,137.80x = 583,207,437,449,683.25 - Step 5: Solve for x
x = 583,207,437,449,683.25/19,718,137.80 - Step 6: Final answer
x = 29,577,206.70
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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.