Finding the Fourth Proportional to 13,346,829.48, 18,418,380.84 and 7,545,612.99
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Solution
The fourth proportional to 13,346,829.48, 18,418,380.84 and 7,545,612.99 is: 10,412,808.07
Step by Step Solution
- Step 1: Write the proportion equation
13,346,829.48 : 18,418,380.84 = 7,545,612.99 : x - Step 2: Convert to fraction form
13,346,829.48/18,418,380.84 = 7,545,612.99/x - Step 3: Cross multiply
13,346,829.48x = 18,418,380.84 × 7,545,612.99 - Step 4: Simplify right side
13,346,829.48x = 138,977,973,721,071.11 - Step 5: Solve for x
x = 138,977,973,721,071.11/13,346,829.48 - Step 6: Final answer
x = 10,412,808.07
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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.