Finding the Fourth Proportional to 34,459,012.80, 47,553,752.16 and 18,989,652.48
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Solution
The fourth proportional to 34,459,012.80, 47,553,752.16 and 18,989,652.48 is: 26,205,893.73
Step by Step Solution
- Step 1: Write the proportion equation
34,459,012.80 : 47,553,752.16 = 18,989,652.48 : x - Step 2: Convert to fraction form
34,459,012.80/47,553,752.16 = 18,989,652.48/x - Step 3: Cross multiply
34,459,012.80x = 47,553,752.16 × 18,989,652.48 - Step 4: Simplify right side
34,459,012.80x = 903,029,227,638,449.25 - Step 5: Solve for x
x = 903,029,227,638,449.25/34,459,012.80 - Step 6: Final answer
x = 26,205,893.73
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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.