Finding the Fourth Proportional to 11,357,052.20, 15,672,652.08 and 6,200,413.74
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Solution
The fourth proportional to 11,357,052.20, 15,672,652.08 and 6,200,413.74 is: 8,556,527.32
Step by Step Solution
- Step 1: Write the proportion equation
11,357,052.20 : 15,672,652.08 = 6,200,413.74 : x - Step 2: Convert to fraction form
11,357,052.20/15,672,652.08 = 6,200,413.74/x - Step 3: Cross multiply
11,357,052.20x = 15,672,652.08 × 6,200,413.74 - Step 4: Simplify right side
11,357,052.20x = 97,176,927,369,484.08 - Step 5: Solve for x
x = 97,176,927,369,484.08/11,357,052.20 - Step 6: Final answer
x = 8,556,527.32
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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.