Finding the Fourth Proportional to 39,139,934.40, 58,709,901.60 and 24,684,739.20
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Solution
The fourth proportional to 39,139,934.40, 58,709,901.60 and 24,684,739.20 is: 37,027,108.80
Step by Step Solution
- Step 1: Write the proportion equation
39,139,934.40 : 58,709,901.60 = 24,684,739.20 : x - Step 2: Convert to fraction form
39,139,934.40/58,709,901.60 = 24,684,739.20/x - Step 3: Cross multiply
39,139,934.40x = 58,709,901.60 × 24,684,739.20 - Step 4: Simplify right side
39,139,934.40x = 1,449,238,609,453,662.75 - Step 5: Solve for x
x = 1,449,238,609,453,662.75/39,139,934.40 - Step 6: Final answer
x = 37,027,108.80
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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.