Finding the Fourth Proportional to 15,982,947.60, 22,052,215.08 and 9,107,283.12
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Solution
The fourth proportional to 15,982,947.60, 22,052,215.08 and 9,107,283.12 is: 12,565,627.52
Step by Step Solution
- Step 1: Write the proportion equation
15,982,947.60 : 22,052,215.08 = 9,107,283.12 : x - Step 2: Convert to fraction form
15,982,947.60/22,052,215.08 = 9,107,283.12/x - Step 3: Cross multiply
15,982,947.60x = 22,052,215.08 × 9,107,283.12 - Step 4: Simplify right side
15,982,947.60x = 200,835,766,156,693.41 - Step 5: Solve for x
x = 200,835,766,156,693.41/15,982,947.60 - Step 6: Final answer
x = 12,565,627.52
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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.