Finding the Fourth Proportional to 27,749,318.50, 38,292,852.71 and 15,358,673.17
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Solution
The fourth proportional to 27,749,318.50, 38,292,852.71 and 15,358,673.17 is: 21,194,301.02
Step by Step Solution
- Step 1: Write the proportion equation
27,749,318.50 : 38,292,852.71 = 15,358,673.17 : x - Step 2: Convert to fraction form
27,749,318.50/38,292,852.71 = 15,358,673.17/x - Step 3: Cross multiply
27,749,318.50x = 38,292,852.71 × 15,358,673.17 - Step 4: Simplify right side
27,749,318.50x = 588,127,409,251,581.12 - Step 5: Solve for x
x = 588,127,409,251,581.12/27,749,318.50 - Step 6: Final answer
x = 21,194,301.02
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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.