Finding the Fourth Proportional to 47,307,280.79, 70,961,489.80 and 18,566,951.51
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Solution
The fourth proportional to 47,307,280.79, 70,961,489.80 and 18,566,951.51 is: 27,850,650.43
Step by Step Solution
- Step 1: Write the proportion equation
47,307,280.79 : 70,961,489.80 = 18,566,951.51 : x - Step 2: Convert to fraction form
47,307,280.79/70,961,489.80 = 18,566,951.51/x - Step 3: Cross multiply
47,307,280.79x = 70,961,489.80 × 18,566,951.51 - Step 4: Simplify right side
47,307,280.79x = 1,317,538,540,193,959.75 - Step 5: Solve for x
x = 1,317,538,540,193,959.75/47,307,280.79 - Step 6: Final answer
x = 27,850,650.43
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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.