Finding the Fourth Proportional to 15,459,646.14, 23,085,362.84 and 12,625,380.54
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Solution
The fourth proportional to 15,459,646.14, 23,085,362.84 and 12,625,380.54 is: 18,853,050.58
Step by Step Solution
- Step 1: Write the proportion equation
15,459,646.14 : 23,085,362.84 = 12,625,380.54 : x - Step 2: Convert to fraction form
15,459,646.14/23,085,362.84 = 12,625,380.54/x - Step 3: Cross multiply
15,459,646.14x = 23,085,362.84 × 12,625,380.54 - Step 4: Simplify right side
15,459,646.14x = 291,461,490,695,848.25 - Step 5: Solve for x
x = 291,461,490,695,848.25/15,459,646.14 - Step 6: Final answer
x = 18,853,050.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.