Finding the Fourth Proportional to 36,406,915.80, 54,610,373.70 and 22,120,848.60
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Solution
The fourth proportional to 36,406,915.80, 54,610,373.70 and 22,120,848.60 is: 33,181,272.90
Step by Step Solution
- Step 1: Write the proportion equation
36,406,915.80 : 54,610,373.70 = 22,120,848.60 : x - Step 2: Convert to fraction form
36,406,915.80/54,610,373.70 = 22,120,848.60/x - Step 3: Cross multiply
36,406,915.80x = 54,610,373.70 × 22,120,848.60 - Step 4: Simplify right side
36,406,915.80x = 1,208,027,808,607,122 - Step 5: Solve for x
x = 1,208,027,808,607,122/36,406,915.80 - Step 6: Final answer
x = 33,181,272.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.