Finding the Fourth Proportional to 28,899,193.39, 39,842,306.69 and 22,958,312.12
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Solution
The fourth proportional to 28,899,193.39, 39,842,306.69 and 22,958,312.12 is: 31,651,821.56
Step by Step Solution
- Step 1: Write the proportion equation
28,899,193.39 : 39,842,306.69 = 22,958,312.12 : x - Step 2: Convert to fraction form
28,899,193.39/39,842,306.69 = 22,958,312.12/x - Step 3: Cross multiply
28,899,193.39x = 39,842,306.69 × 22,958,312.12 - Step 4: Simplify right side
28,899,193.39x = 914,712,112,255,781 - Step 5: Solve for x
x = 914,712,112,255,781/28,899,193.39 - Step 6: Final answer
x = 31,651,821.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.