Finding the Fourth Proportional to 19,651,167.38, 29,472,685.68 and 5,270,813.76
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Solution
The fourth proportional to 19,651,167.38, 29,472,685.68 and 5,270,813.76 is: 7,905,130.23
Step by Step Solution
- Step 1: Write the proportion equation
19,651,167.38 : 29,472,685.68 = 5,270,813.76 : x - Step 2: Convert to fraction form
19,651,167.38/29,472,685.68 = 5,270,813.76/x - Step 3: Cross multiply
19,651,167.38x = 29,472,685.68 × 5,270,813.76 - Step 4: Simplify right side
19,651,167.38x = 155,345,037,226,298.94 - Step 5: Solve for x
x = 155,345,037,226,298.94/19,651,167.38 - Step 6: Final answer
x = 7,905,130.23
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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.