Finding the Fourth Proportional to 12,731,293.84, 17,569,581.74 and 6,930,462.24
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Solution
The fourth proportional to 12,731,293.84, 17,569,581.74 and 6,930,462.24 is: 9,564,253.59
Step by Step Solution
- Step 1: Write the proportion equation
12,731,293.84 : 17,569,581.74 = 6,930,462.24 : x - Step 2: Convert to fraction form
12,731,293.84/17,569,581.74 = 6,930,462.24/x - Step 3: Cross multiply
12,731,293.84x = 17,569,581.74 × 6,930,462.24 - Step 4: Simplify right side
12,731,293.84x = 121,765,322,821,663.48 - Step 5: Solve for x
x = 121,765,322,821,663.48/12,731,293.84 - Step 6: Final answer
x = 9,564,253.59
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1.5x scale
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.