Finding the Fourth Proportional to 27,472,538.96, 37,910,206.08 and 15,248,433.68
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Solution
The fourth proportional to 27,472,538.96, 37,910,206.08 and 15,248,433.68 is: 21,041,785.18
Step by Step Solution
- Step 1: Write the proportion equation
27,472,538.96 : 37,910,206.08 = 15,248,433.68 : x - Step 2: Convert to fraction form
27,472,538.96/37,910,206.08 = 15,248,433.68/x - Step 3: Cross multiply
27,472,538.96x = 37,910,206.08 × 15,248,433.68 - Step 4: Simplify right side
27,472,538.96x = 578,071,263,206,012.75 - Step 5: Solve for x
x = 578,071,263,206,012.75/27,472,538.96 - Step 6: Final answer
x = 21,041,785.18
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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.