Finding the Fourth Proportional to 9,723,461.24, 13,417,209.66 and 5,372,279.48
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Solution
The fourth proportional to 9,723,461.24, 13,417,209.66 and 5,372,279.48 is: 7,413,100.99
Step by Step Solution
- Step 1: Write the proportion equation
9,723,461.24 : 13,417,209.66 = 5,372,279.48 : x - Step 2: Convert to fraction form
9,723,461.24/13,417,209.66 = 5,372,279.48/x - Step 3: Cross multiply
9,723,461.24x = 13,417,209.66 × 5,372,279.48 - Step 4: Simplify right side
9,723,461.24x = 72,081,000,135,275.78 - Step 5: Solve for x
x = 72,081,000,135,275.78/9,723,461.24 - Step 6: Final answer
x = 7,413,100.99
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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.