Finding the Fourth Proportional to 9,092,442.15, 12,549,195.68 and 5,421,595.05
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Solution
The fourth proportional to 9,092,442.15, 12,549,195.68 and 5,421,595.05 is: 7,482,770.42
Step by Step Solution
- Step 1: Write the proportion equation
9,092,442.15 : 12,549,195.68 = 5,421,595.05 : x - Step 2: Convert to fraction form
9,092,442.15/12,549,195.68 = 5,421,595.05/x - Step 3: Cross multiply
9,092,442.15x = 12,549,195.68 × 5,421,595.05 - Step 4: Simplify right side
9,092,442.15x = 68,036,657,153,061.41 - Step 5: Solve for x
x = 68,036,657,153,061.41/9,092,442.15 - Step 6: Final answer
x = 7,482,770.42
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1.5x scale
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.