Finding the Fourth Proportional to 21,594,865.60, 32,367,415.20 and 8,806,974.40
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Solution
The fourth proportional to 21,594,865.60, 32,367,415.20 and 8,806,974.40 is: 13,200,313.55
Step by Step Solution
- Step 1: Write the proportion equation
21,594,865.60 : 32,367,415.20 = 8,806,974.40 : x - Step 2: Convert to fraction form
21,594,865.60/32,367,415.20 = 8,806,974.40/x - Step 3: Cross multiply
21,594,865.60x = 32,367,415.20 × 8,806,974.40 - Step 4: Simplify right side
21,594,865.60x = 285,058,997,060,570.88 - Step 5: Solve for x
x = 285,058,997,060,570.88/21,594,865.60 - Step 6: Final answer
x = 13,200,313.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.