Finding the Fourth Proportional to 11,527,983.79, 15,898,320.64 and 9,564,753.68
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Solution
The fourth proportional to 11,527,983.79, 15,898,320.64 and 9,564,753.68 is: 13,190,816.68
Step by Step Solution
- Step 1: Write the proportion equation
11,527,983.79 : 15,898,320.64 = 9,564,753.68 : x - Step 2: Convert to fraction form
11,527,983.79/15,898,320.64 = 9,564,753.68/x - Step 3: Cross multiply
11,527,983.79x = 15,898,320.64 × 9,564,753.68 - Step 4: Simplify right side
11,527,983.79x = 152,063,520,812,446.91 - Step 5: Solve for x
x = 152,063,520,812,446.91/11,527,983.79 - Step 6: Final answer
x = 13,190,816.68
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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.