Finding the Fourth Proportional to 34,652,966.41, 47,823,749.67 and 19,768,618.09
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Solution
The fourth proportional to 34,652,966.41, 47,823,749.67 and 19,768,618.09 is: 27,282,208.16
Step by Step Solution
- Step 1: Write the proportion equation
34,652,966.41 : 47,823,749.67 = 19,768,618.09 : x - Step 2: Convert to fraction form
34,652,966.41/47,823,749.67 = 19,768,618.09/x - Step 3: Cross multiply
34,652,966.41x = 47,823,749.67 × 19,768,618.09 - Step 4: Simplify right side
34,652,966.41x = 945,409,442,857,993.50 - Step 5: Solve for x
x = 945,409,442,857,993.50/34,652,966.41 - Step 6: Final answer
x = 27,282,208.16
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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.