Finding the Fourth Proportional to 23,185,107.36, 34,944,312.14 and 19,985,266.35
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Solution
The fourth proportional to 23,185,107.36, 34,944,312.14 and 19,985,266.35 is: 30,121,550.64
Step by Step Solution
- Step 1: Write the proportion equation
23,185,107.36 : 34,944,312.14 = 19,985,266.35 : x - Step 2: Convert to fraction form
23,185,107.36/34,944,312.14 = 19,985,266.35/x - Step 3: Cross multiply
23,185,107.36x = 34,944,312.14 × 19,985,266.35 - Step 4: Simplify right side
23,185,107.36x = 698,371,385,572,836.12 - Step 5: Solve for x
x = 698,371,385,572,836.12/23,185,107.36 - Step 6: Final answer
x = 30,121,550.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.