Finding the Fourth Proportional to 15,188,908.23, 22,780,459.29 and 4,551,340.23
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Solution
The fourth proportional to 15,188,908.23, 22,780,459.29 and 4,551,340.23 is: 6,826,140.45
Step by Step Solution
- Step 1: Write the proportion equation
15,188,908.23 : 22,780,459.29 = 4,551,340.23 : x - Step 2: Convert to fraction form
15,188,908.23/22,780,459.29 = 4,551,340.23/x - Step 3: Cross multiply
15,188,908.23x = 22,780,459.29 × 4,551,340.23 - Step 4: Simplify right side
15,188,908.23x = 103,681,620,824,454.25 - Step 5: Solve for x
x = 103,681,620,824,454.25/15,188,908.23 - Step 6: Final answer
x = 6,826,140.45
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1.5x scale
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.