Finding the Fourth Proportional to 27,816,890.28, 38,389,606.64 and 15,430,977.07
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Solution
The fourth proportional to 27,816,890.28, 38,389,606.64 and 15,430,977.07 is: 21,296,023.17
Step by Step Solution
- Step 1: Write the proportion equation
27,816,890.28 : 38,389,606.64 = 15,430,977.07 : x - Step 2: Convert to fraction form
27,816,890.28/38,389,606.64 = 15,430,977.07/x - Step 3: Cross multiply
27,816,890.28x = 38,389,606.64 × 15,430,977.07 - Step 4: Simplify right side
27,816,890.28x = 592,389,139,700,195.25 - Step 5: Solve for x
x = 592,389,139,700,195.25/27,816,890.28 - Step 6: Final answer
x = 21,296,023.17
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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.