Finding the Fourth Proportional to 19,387,134.96, 26,754,409.08 and 10,685,329.84
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Solution
The fourth proportional to 19,387,134.96, 26,754,409.08 and 10,685,329.84 is: 14,745,844.93
Step by Step Solution
- Step 1: Write the proportion equation
19,387,134.96 : 26,754,409.08 = 10,685,329.84 : x - Step 2: Convert to fraction form
19,387,134.96/26,754,409.08 = 10,685,329.84/x - Step 3: Cross multiply
19,387,134.96x = 26,754,409.08 × 10,685,329.84 - Step 4: Simplify right side
19,387,134.96x = 285,879,685,694,090.94 - Step 5: Solve for x
x = 285,879,685,694,090.94/19,387,134.96 - Step 6: Final answer
x = 14,745,844.93
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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.