Finding the Fourth Proportional to 34,466,779.95, 47,565,217.76 and 19,785,128.19
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Solution
The fourth proportional to 34,466,779.95, 47,565,217.76 and 19,785,128.19 is: 27,304,086.20
Step by Step Solution
- Step 1: Write the proportion equation
34,466,779.95 : 47,565,217.76 = 19,785,128.19 : x - Step 2: Convert to fraction form
34,466,779.95/47,565,217.76 = 19,785,128.19/x - Step 3: Cross multiply
34,466,779.95x = 47,565,217.76 × 19,785,128.19 - Step 4: Simplify right side
34,466,779.95x = 941,083,930,667,939.12 - Step 5: Solve for x
x = 941,083,930,667,939.12/34,466,779.95 - Step 6: Final answer
x = 27,304,086.20
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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.