Finding the Fourth Proportional to 19,684,598.84, 27,164,708.88 and 10,982,253.68
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Solution
The fourth proportional to 19,684,598.84, 27,164,708.88 and 10,982,253.68 is: 15,155,489.15
Step by Step Solution
- Step 1: Write the proportion equation
19,684,598.84 : 27,164,708.88 = 10,982,253.68 : x - Step 2: Convert to fraction form
19,684,598.84/27,164,708.88 = 10,982,253.68/x - Step 3: Cross multiply
19,684,598.84x = 27,164,708.88 × 10,982,253.68 - Step 4: Simplify right side
19,684,598.84x = 298,329,724,063,508.69 - Step 5: Solve for x
x = 298,329,724,063,508.69/19,684,598.84 - Step 6: Final answer
x = 15,155,489.15
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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.