Finding the Fourth Proportional to 19,944,310.71, 29,916,466.53 and 4,798,242.21
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Solution
The fourth proportional to 19,944,310.71, 29,916,466.53 and 4,798,242.21 is: 7,197,363.43
Step by Step Solution
- Step 1: Write the proportion equation
19,944,310.71 : 29,916,466.53 = 4,798,242.21 : x - Step 2: Convert to fraction form
19,944,310.71/29,916,466.53 = 4,798,242.21/x - Step 3: Cross multiply
19,944,310.71x = 29,916,466.53 × 4,798,242.21 - Step 4: Simplify right side
19,944,310.71x = 143,546,452,478,298.25 - Step 5: Solve for x
x = 143,546,452,478,298.25/19,944,310.71 - Step 6: Final answer
x = 7,197,363.43
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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.