Finding the Fourth Proportional to 18,452,824.90, 27,679,237.35 and 18,346,536.70
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Solution
The fourth proportional to 18,452,824.90, 27,679,237.35 and 18,346,536.70 is: 27,519,805.05
Step by Step Solution
- Step 1: Write the proportion equation
18,452,824.90 : 27,679,237.35 = 18,346,536.70 : x - Step 2: Convert to fraction form
18,452,824.90/27,679,237.35 = 18,346,536.70/x - Step 3: Cross multiply
18,452,824.90x = 27,679,237.35 × 18,346,536.70 - Step 4: Simplify right side
18,452,824.90x = 507,818,143,869,785.75 - Step 5: Solve for x
x = 507,818,143,869,785.75/18,452,824.90 - Step 6: Final answer
x = 27,519,805.05
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1.5x scale
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.