Finding the Fourth Proportional to 56,722,108.84, 85,065,315.98 and 18,374,725.96
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Solution
The fourth proportional to 56,722,108.84, 85,065,315.98 and 18,374,725.96 is: 27,556,307.44
Step by Step Solution
- Step 1: Write the proportion equation
56,722,108.84 : 85,065,315.98 = 18,374,725.96 : x - Step 2: Convert to fraction form
56,722,108.84/85,065,315.98 = 18,374,725.96/x - Step 3: Cross multiply
56,722,108.84x = 85,065,315.98 × 18,374,725.96 - Step 4: Simplify right side
56,722,108.84x = 1,563,051,869,833,309 - Step 5: Solve for x
x = 1,563,051,869,833,309/56,722,108.84 - Step 6: Final answer
x = 27,556,307.44
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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.