Finding the Fourth Proportional to 15,456,178.68, 23,186,941.57 and 5,221,112.99
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Solution
The fourth proportional to 15,456,178.68, 23,186,941.57 and 5,221,112.99 is: 7,832,572.60
Step by Step Solution
- Step 1: Write the proportion equation
15,456,178.68 : 23,186,941.57 = 5,221,112.99 : x - Step 2: Convert to fraction form
15,456,178.68/23,186,941.57 = 5,221,112.99/x - Step 3: Cross multiply
15,456,178.68x = 23,186,941.57 × 5,221,112.99 - Step 4: Simplify right side
15,456,178.68x = 121,061,641,700,510.50 - Step 5: Solve for x
x = 121,061,641,700,510.50/15,456,178.68 - Step 6: Final answer
x = 7,832,572.60
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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.