Finding the Fourth Proportional to 19,038,979.08, 26,295,423.56 and 12,833,322.84
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Solution
The fourth proportional to 19,038,979.08, 26,295,423.56 and 12,833,322.84 is: 17,724,566.97
Step by Step Solution
- Step 1: Write the proportion equation
19,038,979.08 : 26,295,423.56 = 12,833,322.84 : x - Step 2: Convert to fraction form
19,038,979.08/26,295,423.56 = 12,833,322.84/x - Step 3: Cross multiply
19,038,979.08x = 26,295,423.56 × 12,833,322.84 - Step 4: Simplify right side
19,038,979.08x = 337,457,659,760,022.06 - Step 5: Solve for x
x = 337,457,659,760,022.06/19,038,979.08 - Step 6: Final answer
x = 17,724,566.97
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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.