Finding the Fourth Proportional to 13,183,697.13, 18,193,304.34 and 7,303,312.71
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Solution
The fourth proportional to 13,183,697.13, 18,193,304.34 and 7,303,312.71 is: 10,078,462.02
Step by Step Solution
- Step 1: Write the proportion equation
13,183,697.13 : 18,193,304.34 = 7,303,312.71 : x - Step 2: Convert to fraction form
13,183,697.13/18,193,304.34 = 7,303,312.71/x - Step 3: Cross multiply
13,183,697.13x = 18,193,304.34 × 7,303,312.71 - Step 4: Simplify right side
13,183,697.13x = 132,871,390,823,220.16 - Step 5: Solve for x
x = 132,871,390,823,220.16/13,183,697.13 - Step 6: Final answer
x = 10,078,462.02
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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.