Finding the Fourth Proportional to 11,896,685.16, 16,417,574.82 and 6,464,267.88
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Solution
The fourth proportional to 11,896,685.16, 16,417,574.82 and 6,464,267.88 is: 8,920,770.80
Step by Step Solution
- Step 1: Write the proportion equation
11,896,685.16 : 16,417,574.82 = 6,464,267.88 : x - Step 2: Convert to fraction form
11,896,685.16/16,417,574.82 = 6,464,267.88/x - Step 3: Cross multiply
11,896,685.16x = 16,417,574.82 × 6,464,267.88 - Step 4: Simplify right side
11,896,685.16x = 106,127,601,576,422.78 - Step 5: Solve for x
x = 106,127,601,576,422.78/11,896,685.16 - Step 6: Final answer
x = 8,920,770.80
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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.