Finding the Fourth Proportional to 11,023,711.02, 15,207,811.56 and 6,438,009.42
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Solution
The fourth proportional to 11,023,711.02, 15,207,811.56 and 6,438,009.42 is: 8,881,585.69
Step by Step Solution
- Step 1: Write the proportion equation
11,023,711.02 : 15,207,811.56 = 6,438,009.42 : x - Step 2: Convert to fraction form
11,023,711.02/15,207,811.56 = 6,438,009.42/x - Step 3: Cross multiply
11,023,711.02x = 15,207,811.56 × 6,438,009.42 - Step 4: Simplify right side
11,023,711.02x = 97,908,034,080,864.89 - Step 5: Solve for x
x = 97,908,034,080,864.89/11,023,711.02 - Step 6: Final answer
x = 8,881,585.69
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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.