Finding the Fourth Proportional to 27,583,833.93, 38,064,283.98 and 15,193,660.62
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Solution
The fourth proportional to 27,583,833.93, 38,064,283.98 and 15,193,660.62 is: 20,966,476.74
Step by Step Solution
- Step 1: Write the proportion equation
27,583,833.93 : 38,064,283.98 = 15,193,660.62 : x - Step 2: Convert to fraction form
27,583,833.93/38,064,283.98 = 15,193,660.62/x - Step 3: Cross multiply
27,583,833.93x = 38,064,283.98 × 15,193,660.62 - Step 4: Simplify right side
27,583,833.93x = 578,335,812,535,422.75 - Step 5: Solve for x
x = 578,335,812,535,422.75/27,583,833.93 - Step 6: Final answer
x = 20,966,476.74
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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.