Finding the Fourth Proportional to 26,291,236.88, 36,281,237.23 and 14,688,887.60
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Solution
The fourth proportional to 26,291,236.88, 36,281,237.23 and 14,688,887.60 is: 20,270,290.75
Step by Step Solution
- Step 1: Write the proportion equation
26,291,236.88 : 36,281,237.23 = 14,688,887.60 : x - Step 2: Convert to fraction form
26,291,236.88/36,281,237.23 = 14,688,887.60/x - Step 3: Cross multiply
26,291,236.88x = 36,281,237.23 × 14,688,887.60 - Step 4: Simplify right side
26,291,236.88x = 532,931,015,660,405.31 - Step 5: Solve for x
x = 532,931,015,660,405.31/26,291,236.88 - Step 6: Final answer
x = 20,270,290.75
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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.