Finding the Fourth Proportional to 23,378,270.91, 32,263,446.20 and 13,065,817.47
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Solution
The fourth proportional to 23,378,270.91, 32,263,446.20 and 13,065,817.47 is: 18,031,628.62
Step by Step Solution
- Step 1: Write the proportion equation
23,378,270.91 : 32,263,446.20 = 13,065,817.47 : x - Step 2: Convert to fraction form
23,378,270.91/32,263,446.20 = 13,065,817.47/x - Step 3: Cross multiply
23,378,270.91x = 32,263,446.20 × 13,065,817.47 - Step 4: Simplify right side
23,378,270.91x = 421,548,298,937,036.06 - Step 5: Solve for x
x = 421,548,298,937,036.06/23,378,270.91 - Step 6: Final answer
x = 18,031,628.62
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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.