Finding the Fourth Proportional to 11,303,378.64, 15,599,071.88 and 6,475,415.76
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Solution
The fourth proportional to 11,303,378.64, 15,599,071.88 and 6,475,415.76 is: 8,936,308.26
Step by Step Solution
- Step 1: Write the proportion equation
11,303,378.64 : 15,599,071.88 = 6,475,415.76 : x - Step 2: Convert to fraction form
11,303,378.64/15,599,071.88 = 6,475,415.76/x - Step 3: Cross multiply
11,303,378.64x = 15,599,071.88 × 6,475,415.76 - Step 4: Simplify right side
11,303,378.64x = 101,010,475,893,124.83 - Step 5: Solve for x
x = 101,010,475,893,124.83/11,303,378.64 - Step 6: Final answer
x = 8,936,308.26
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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.