Finding the Fourth Proportional to 11,405,962.08, 15,737,777.28 and 6,761,210.40
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Solution
The fourth proportional to 11,405,962.08, 15,737,777.28 and 6,761,210.40 is: 9,329,017.81
Step by Step Solution
- Step 1: Write the proportion equation
11,405,962.08 : 15,737,777.28 = 6,761,210.40 : x - Step 2: Convert to fraction form
11,405,962.08/15,737,777.28 = 6,761,210.40/x - Step 3: Cross multiply
11,405,962.08x = 15,737,777.28 × 6,761,210.40 - Step 4: Simplify right side
11,405,962.08x = 106,406,423,418,419.72 - Step 5: Solve for x
x = 106,406,423,418,419.72/11,405,962.08 - Step 6: Final answer
x = 9,329,017.81
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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.