Finding the Fourth Proportional to 35,369,532.79, 48,809,455.23 and 19,899,580.52
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Solution
The fourth proportional to 35,369,532.79, 48,809,455.23 and 19,899,580.52 is: 27,461,139.80
Step by Step Solution
- Step 1: Write the proportion equation
35,369,532.79 : 48,809,455.23 = 19,899,580.52 : x - Step 2: Convert to fraction form
35,369,532.79/48,809,455.23 = 19,899,580.52/x - Step 3: Cross multiply
35,369,532.79x = 48,809,455.23 × 19,899,580.52 - Step 4: Simplify right side
35,369,532.79x = 971,287,684,683,367.25 - Step 5: Solve for x
x = 971,287,684,683,367.25/35,369,532.79 - Step 6: Final answer
x = 27,461,139.80
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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.