Finding the Fourth Proportional to 13,210,366.05, 19,815,549.08 and 13,210,366.05
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Solution
The fourth proportional to 13,210,366.05, 19,815,549.08 and 13,210,366.05 is: 19,815,549.08
Step by Step Solution
- Step 1: Write the proportion equation
13,210,366.05 : 19,815,549.08 = 13,210,366.05 : x - Step 2: Convert to fraction form
13,210,366.05/19,815,549.08 = 13,210,366.05/x - Step 3: Cross multiply
13,210,366.05x = 19,815,549.08 × 13,210,366.05 - Step 4: Simplify right side
13,210,366.05x = 261,770,656,762,488.91 - Step 5: Solve for x
x = 261,770,656,762,488.91/13,210,366.05 - Step 6: Final answer
x = 19,815,549.08
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1.5x scale
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.