Finding the Fourth Proportional to 26,278,875.60, 39,385,135.80 and 23,292,891.60
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Solution
The fourth proportional to 26,278,875.60, 39,385,135.80 and 23,292,891.60 is: 34,909,929.66
Step by Step Solution
- Step 1: Write the proportion equation
26,278,875.60 : 39,385,135.80 = 23,292,891.60 : x - Step 2: Convert to fraction form
26,278,875.60/39,385,135.80 = 23,292,891.60/x - Step 3: Cross multiply
26,278,875.60x = 39,385,135.80 × 23,292,891.60 - Step 4: Simplify right side
26,278,875.60x = 917,393,698,840,679.25 - Step 5: Solve for x
x = 917,393,698,840,679.25/26,278,875.60 - Step 6: Final answer
x = 34,909,929.66
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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.