Finding the Fourth Proportional to 19,098,138.88, 28,648,159.80 and 5,453,309.44
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Solution
The fourth proportional to 19,098,138.88, 28,648,159.80 and 5,453,309.44 is: 8,180,235.85
Step by Step Solution
- Step 1: Write the proportion equation
19,098,138.88 : 28,648,159.80 = 5,453,309.44 : x - Step 2: Convert to fraction form
19,098,138.88/28,648,159.80 = 5,453,309.44/x - Step 3: Cross multiply
19,098,138.88x = 28,648,159.80 × 5,453,309.44 - Step 4: Simplify right side
19,098,138.88x = 156,227,280,275,968.53 - Step 5: Solve for x
x = 156,227,280,275,968.53/19,098,138.88 - Step 6: Final answer
x = 8,180,235.85
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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.