Finding the Fourth Proportional to 7,292,574.68, 10,064,342.34 and 4,029,675.56
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Solution
The fourth proportional to 7,292,574.68, 10,064,342.34 and 4,029,675.56 is: 5,561,277.89
Step by Step Solution
- Step 1: Write the proportion equation
7,292,574.68 : 10,064,342.34 = 4,029,675.56 : x - Step 2: Convert to fraction form
7,292,574.68/10,064,342.34 = 4,029,675.56/x - Step 3: Cross multiply
7,292,574.68x = 10,064,342.34 × 4,029,675.56 - Step 4: Simplify right side
7,292,574.68x = 40,556,034,354,971.21 - Step 5: Solve for x
x = 40,556,034,354,971.21/7,292,574.68 - Step 6: Final answer
x = 5,561,277.89
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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.