Finding the Fourth Proportional to 8,959,291.20, 13,438,985.40 and 2,227,705.20
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Solution
The fourth proportional to 8,959,291.20, 13,438,985.40 and 2,227,705.20 is: 3,341,569.88
Step by Step Solution
- Step 1: Write the proportion equation
8,959,291.20 : 13,438,985.40 = 2,227,705.20 : x - Step 2: Convert to fraction form
8,959,291.20/13,438,985.40 = 2,227,705.20/x - Step 3: Cross multiply
8,959,291.20x = 13,438,985.40 × 2,227,705.20 - Step 4: Simplify right side
8,959,291.20x = 29,938,097,658,304.08 - Step 5: Solve for x
x = 29,938,097,658,304.08/8,959,291.20 - Step 6: Final answer
x = 3,341,569.88
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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.