Finding the Fourth Proportional to 10,926,802.21, 15,078,591.64 and 6,031,919.17
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Solution
The fourth proportional to 10,926,802.21, 15,078,591.64 and 6,031,919.17 is: 8,323,830.18
Step by Step Solution
- Step 1: Write the proportion equation
10,926,802.21 : 15,078,591.64 = 6,031,919.17 : x - Step 2: Convert to fraction form
10,926,802.21/15,078,591.64 = 6,031,919.17/x - Step 3: Cross multiply
10,926,802.21x = 15,078,591.64 × 6,031,919.17 - Step 4: Simplify right side
10,926,802.21x = 90,952,845,969,917.73 - Step 5: Solve for x
x = 90,952,845,969,917.73/10,926,802.21 - Step 6: Final answer
x = 8,323,830.18
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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.