Finding the Fourth Proportional to 12,885,657.12, 19,328,602.08 and 3,910,209.12
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Solution
The fourth proportional to 12,885,657.12, 19,328,602.08 and 3,910,209.12 is: 5,865,349.00
Step by Step Solution
- Step 1: Write the proportion equation
12,885,657.12 : 19,328,602.08 = 3,910,209.12 : x - Step 2: Convert to fraction form
12,885,657.12/19,328,602.08 = 3,910,209.12/x - Step 3: Cross multiply
12,885,657.12x = 19,328,602.08 × 3,910,209.12 - Step 4: Simplify right side
12,885,657.12x = 75,578,876,130,066.97 - Step 5: Solve for x
x = 75,578,876,130,066.97/12,885,657.12 - Step 6: Final answer
x = 5,865,349.00
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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.