Finding the Fourth Proportional to 7,748,419.24, 10,707,566.03 and 5,811,316.79
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Solution
The fourth proportional to 7,748,419.24, 10,707,566.03 and 5,811,316.79 is: 8,030,677.79
Step by Step Solution
- Step 1: Write the proportion equation
7,748,419.24 : 10,707,566.03 = 5,811,316.79 : x - Step 2: Convert to fraction form
7,748,419.24/10,707,566.03 = 5,811,316.79/x - Step 3: Cross multiply
7,748,419.24x = 10,707,566.03 × 5,811,316.79 - Step 4: Simplify right side
7,748,419.24x = 62,225,058,221,116.06 - Step 5: Solve for x
x = 62,225,058,221,116.06/7,748,419.24 - Step 6: Final answer
x = 8,030,677.79
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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.