Finding the Fourth Proportional to 19,123,331.76, 26,382,706.68 and 11,768,395.92
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Solution
The fourth proportional to 19,123,331.76, 26,382,706.68 and 11,768,395.92 is: 16,235,776.36
Step by Step Solution
- Step 1: Write the proportion equation
19,123,331.76 : 26,382,706.68 = 11,768,395.92 : x - Step 2: Convert to fraction form
19,123,331.76/26,382,706.68 = 11,768,395.92/x - Step 3: Cross multiply
19,123,331.76x = 26,382,706.68 × 11,768,395.92 - Step 4: Simplify right side
19,123,331.76x = 310,482,137,651,468.75 - Step 5: Solve for x
x = 310,482,137,651,468.75/19,123,331.76 - Step 6: Final answer
x = 16,235,776.36
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1.5x scale
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.