Finding the Fourth Proportional to 34,657,432.74, 47,825,354.88 and 18,973,420.56
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Solution
The fourth proportional to 34,657,432.74, 47,825,354.88 and 18,973,420.56 is: 26,182,278.95
Step by Step Solution
- Step 1: Write the proportion equation
34,657,432.74 : 47,825,354.88 = 18,973,420.56 : x - Step 2: Convert to fraction form
34,657,432.74/47,825,354.88 = 18,973,420.56/x - Step 3: Cross multiply
34,657,432.74x = 47,825,354.88 × 18,973,420.56 - Step 4: Simplify right side
34,657,432.74x = 907,410,571,569,488.38 - Step 5: Solve for x
x = 907,410,571,569,488.38/34,657,432.74 - Step 6: Final answer
x = 26,182,278.95
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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.