Finding the Fourth Proportional to 39,086,729.84, 58,639,102.08 and 13,527,739.54
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Solution
The fourth proportional to 39,086,729.84, 58,639,102.08 and 13,527,739.54 is: 20,294,726.70
Step by Step Solution
- Step 1: Write the proportion equation
39,086,729.84 : 58,639,102.08 = 13,527,739.54 : x - Step 2: Convert to fraction form
39,086,729.84/58,639,102.08 = 13,527,739.54/x - Step 3: Cross multiply
39,086,729.84x = 58,639,102.08 × 13,527,739.54 - Step 4: Simplify right side
39,086,729.84x = 793,254,499,797,712.12 - Step 5: Solve for x
x = 793,254,499,797,712.12/39,086,729.84 - Step 6: Final answer
x = 20,294,726.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.