Finding the Fourth Proportional to 13,497,499.08, 18,626,549.94 and 7,385,928.12
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Solution
The fourth proportional to 13,497,499.08, 18,626,549.94 and 7,385,928.12 is: 10,192,581.47
Step by Step Solution
- Step 1: Write the proportion equation
13,497,499.08 : 18,626,549.94 = 7,385,928.12 : x - Step 2: Convert to fraction form
13,497,499.08/18,626,549.94 = 7,385,928.12/x - Step 3: Cross multiply
13,497,499.08x = 18,626,549.94 × 7,385,928.12 - Step 4: Simplify right side
13,497,499.08x = 137,574,358,980,430.33 - Step 5: Solve for x
x = 137,574,358,980,430.33/13,497,499.08 - Step 6: Final answer
x = 10,192,581.47
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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.