Finding the Fourth Proportional to 46,005,690.12, 68,982,640.74 and 15,283,822.20
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Solution
The fourth proportional to 46,005,690.12, 68,982,640.74 and 15,283,822.20 is: 22,917,130.76
Step by Step Solution
- Step 1: Write the proportion equation
46,005,690.12 : 68,982,640.74 = 15,283,822.20 : x - Step 2: Convert to fraction form
46,005,690.12/68,982,640.74 = 15,283,822.20/x - Step 3: Cross multiply
46,005,690.12x = 68,982,640.74 × 15,283,822.20 - Step 4: Simplify right side
46,005,690.12x = 1,054,318,415,956,636.25 - Step 5: Solve for x
x = 1,054,318,415,956,636.25/46,005,690.12 - Step 6: Final answer
x = 22,917,130.76
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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.