Finding the Fourth Proportional to 30,694,403.67, 42,359,279.60 and 16,756,501.95
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Solution
The fourth proportional to 30,694,403.67, 42,359,279.60 and 16,756,501.95 is: 23,124,519.99
Step by Step Solution
- Step 1: Write the proportion equation
30,694,403.67 : 42,359,279.60 = 16,756,501.95 : x - Step 2: Convert to fraction form
30,694,403.67/42,359,279.60 = 16,756,501.95/x - Step 3: Cross multiply
30,694,403.67x = 42,359,279.60 × 16,756,501.95 - Step 4: Simplify right side
30,694,403.67x = 709,793,351,217,995.25 - Step 5: Solve for x
x = 709,793,351,217,995.25/30,694,403.67 - Step 6: Final answer
x = 23,124,519.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.