Finding the Fourth Proportional to 11,577,536.28, 15,974,425.80 and 6,681,721.32
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Solution
The fourth proportional to 11,577,536.28, 15,974,425.80 and 6,681,721.32 is: 9,219,289.74
Step by Step Solution
- Step 1: Write the proportion equation
11,577,536.28 : 15,974,425.80 = 6,681,721.32 : x - Step 2: Convert to fraction form
11,577,536.28/15,974,425.80 = 6,681,721.32/x - Step 3: Cross multiply
11,577,536.28x = 15,974,425.80 × 6,681,721.32 - Step 4: Simplify right side
11,577,536.28x = 106,736,661,442,618.06 - Step 5: Solve for x
x = 106,736,661,442,618.06/11,577,536.28 - Step 6: Final answer
x = 9,219,289.74
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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.