Finding the Fourth Proportional to 24,736,211.79, 34,121,789.83 and 15,427,621.02
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Solution
The fourth proportional to 24,736,211.79, 34,121,789.83 and 15,427,621.02 is: 21,281,271.62
Step by Step Solution
- Step 1: Write the proportion equation
24,736,211.79 : 34,121,789.83 = 15,427,621.02 : x - Step 2: Convert to fraction form
24,736,211.79/34,121,789.83 = 15,427,621.02/x - Step 3: Cross multiply
24,736,211.79x = 34,121,789.83 × 15,427,621.02 - Step 4: Simplify right side
24,736,211.79x = 526,418,042,021,330.19 - Step 5: Solve for x
x = 526,418,042,021,330.19/24,736,211.79 - Step 6: Final answer
x = 21,281,271.62
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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.