Finding the Fourth Proportional to 19,853,206.94, 29,754,063.95 and 8,915,320.10
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Solution
The fourth proportional to 19,853,206.94, 29,754,063.95 and 8,915,320.10 is: 13,361,418.39
Step by Step Solution
- Step 1: Write the proportion equation
19,853,206.94 : 29,754,063.95 = 8,915,320.10 : x - Step 2: Convert to fraction form
19,853,206.94/29,754,063.95 = 8,915,320.10/x - Step 3: Cross multiply
19,853,206.94x = 29,754,063.95 × 8,915,320.10 - Step 4: Simplify right side
19,853,206.94x = 265,267,004,196,773.50 - Step 5: Solve for x
x = 265,267,004,196,773.50/19,853,206.94 - Step 6: Final answer
x = 13,361,418.39
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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.