Finding the Fourth Proportional to 39,307,689.60, 58,961,534.40 and 24,887,923.80
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Solution
The fourth proportional to 39,307,689.60, 58,961,534.40 and 24,887,923.80 is: 37,331,885.70
Step by Step Solution
- Step 1: Write the proportion equation
39,307,689.60 : 58,961,534.40 = 24,887,923.80 : x - Step 2: Convert to fraction form
39,307,689.60/58,961,534.40 = 24,887,923.80/x - Step 3: Cross multiply
39,307,689.60x = 58,961,534.40 × 24,887,923.80 - Step 4: Simplify right side
39,307,689.60x = 1,467,430,175,278,278.75 - Step 5: Solve for x
x = 1,467,430,175,278,278.75/39,307,689.60 - Step 6: Final answer
x = 37,331,885.70
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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.