Finding the Fourth Proportional to 11,432,548.94, 15,776,508.87 and 6,470,883.81
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Solution
The fourth proportional to 11,432,548.94, 15,776,508.87 and 6,470,883.81 is: 8,929,588.35
Step by Step Solution
- Step 1: Write the proportion equation
11,432,548.94 : 15,776,508.87 = 6,470,883.81 : x - Step 2: Convert to fraction form
11,432,548.94/15,776,508.87 = 6,470,883.81/x - Step 3: Cross multiply
11,432,548.94x = 15,776,508.87 × 6,470,883.81 - Step 4: Simplify right side
11,432,548.94x = 102,087,955,825,204.39 - Step 5: Solve for x
x = 102,087,955,825,204.39/11,432,548.94 - Step 6: Final answer
x = 8,929,588.35
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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.