Finding the Fourth Proportional to 47,294,790.18, 65,266,781.58 and 25,564,758.18
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Solution
The fourth proportional to 47,294,790.18, 65,266,781.58 and 25,564,758.18 is: 35,279,350.68
Step by Step Solution
- Step 1: Write the proportion equation
47,294,790.18 : 65,266,781.58 = 25,564,758.18 : x - Step 2: Convert to fraction form
47,294,790.18/65,266,781.58 = 25,564,758.18/x - Step 3: Cross multiply
47,294,790.18x = 65,266,781.58 × 25,564,758.18 - Step 4: Simplify right side
47,294,790.18x = 1,668,529,488,279,578.25 - Step 5: Solve for x
x = 1,668,529,488,279,578.25/47,294,790.18 - Step 6: Final answer
x = 35,279,350.68
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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.