Finding the Fourth Proportional to 15,599,625.39, 21,527,409.56 and 8,724,134.79
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Solution
The fourth proportional to 15,599,625.39, 21,527,409.56 and 8,724,134.79 is: 12,039,264.91
Step by Step Solution
- Step 1: Write the proportion equation
15,599,625.39 : 21,527,409.56 = 8,724,134.79 : x - Step 2: Convert to fraction form
15,599,625.39/21,527,409.56 = 8,724,134.79/x - Step 3: Cross multiply
15,599,625.39x = 21,527,409.56 × 8,724,134.79 - Step 4: Simplify right side
15,599,625.39x = 187,808,022,637,353.91 - Step 5: Solve for x
x = 187,808,022,637,353.91/15,599,625.39 - Step 6: Final answer
x = 12,039,264.91
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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.