Finding the Fourth Proportional to 13,695,526.24, 18,899,832.84 and 7,500,962.53
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Solution
The fourth proportional to 13,695,526.24, 18,899,832.84 and 7,500,962.53 is: 10,351,331.92
Step by Step Solution
- Step 1: Write the proportion equation
13,695,526.24 : 18,899,832.84 = 7,500,962.53 : x - Step 2: Convert to fraction form
13,695,526.24/18,899,832.84 = 7,500,962.53/x - Step 3: Cross multiply
13,695,526.24x = 18,899,832.84 × 7,500,962.53 - Step 4: Simplify right side
13,695,526.24x = 141,766,937,918,598.69 - Step 5: Solve for x
x = 141,766,937,918,598.69/13,695,526.24 - Step 6: Final answer
x = 10,351,331.92
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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.