Finding the Fourth Proportional to 12,899,113.01, 19,348,666.66 and 4,702,369.75
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Solution
The fourth proportional to 12,899,113.01, 19,348,666.66 and 4,702,369.75 is: 7,053,553.58
Step by Step Solution
- Step 1: Write the proportion equation
12,899,113.01 : 19,348,666.66 = 4,702,369.75 : x - Step 2: Convert to fraction form
12,899,113.01/19,348,666.66 = 4,702,369.75/x - Step 3: Cross multiply
12,899,113.01x = 19,348,666.66 × 4,702,369.75 - Step 4: Simplify right side
12,899,113.01x = 90,984,584,762,323.81 - Step 5: Solve for x
x = 90,984,584,762,323.81/12,899,113.01 - Step 6: Final answer
x = 7,053,553.58
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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.