Finding the Fourth Proportional to 11,509,575.58, 15,883,215.24 and 6,352,938.46
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Solution
The fourth proportional to 11,509,575.58, 15,883,215.24 and 6,352,938.46 is: 8,767,055.59
Step by Step Solution
- Step 1: Write the proportion equation
11,509,575.58 : 15,883,215.24 = 6,352,938.46 : x - Step 2: Convert to fraction form
11,509,575.58/15,883,215.24 = 6,352,938.46/x - Step 3: Cross multiply
11,509,575.58x = 15,883,215.24 × 6,352,938.46 - Step 4: Simplify right side
11,509,575.58x = 100,905,088,966,654.12 - Step 5: Solve for x
x = 100,905,088,966,654.12/11,509,575.58 - Step 6: Final answer
x = 8,767,055.59
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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.