Finding the Fourth Proportional to 11,204,563.60, 15,462,956.79 and 6,854,483.74
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Solution
The fourth proportional to 11,204,563.60, 15,462,956.79 and 6,854,483.74 is: 9,459,590.72
Step by Step Solution
- Step 1: Write the proportion equation
11,204,563.60 : 15,462,956.79 = 6,854,483.74 : x - Step 2: Convert to fraction form
11,204,563.60/15,462,956.79 = 6,854,483.74/x - Step 3: Cross multiply
11,204,563.60x = 15,462,956.79 × 6,854,483.74 - Step 4: Simplify right side
11,204,563.60x = 105,990,585,812,062.81 - Step 5: Solve for x
x = 105,990,585,812,062.81/11,204,563.60 - Step 6: Final answer
x = 9,459,590.72
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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.