Finding the Fourth Proportional to 42,724,839.96, 58,994,070.84 and 39,460,348.80
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Solution
The fourth proportional to 42,724,839.96, 58,994,070.84 and 39,460,348.80 is: 54,486,491.11
Step by Step Solution
- Step 1: Write the proportion equation
42,724,839.96 : 58,994,070.84 = 39,460,348.80 : x - Step 2: Convert to fraction form
42,724,839.96/58,994,070.84 = 39,460,348.80/x - Step 3: Cross multiply
42,724,839.96x = 58,994,070.84 × 39,460,348.80 - Step 4: Simplify right side
42,724,839.96x = 2,327,926,612,478,309 - Step 5: Solve for x
x = 2,327,926,612,478,309/42,724,839.96 - Step 6: Final answer
x = 54,486,491.11
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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.