Finding the Fourth Proportional to 34,461,789.20, 47,556,392.76 and 18,781,216.88
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Solution
The fourth proportional to 34,461,789.20, 47,556,392.76 and 18,781,216.88 is: 25,917,601.70
Step by Step Solution
- Step 1: Write the proportion equation
34,461,789.20 : 47,556,392.76 = 18,781,216.88 : x - Step 2: Convert to fraction form
34,461,789.20/47,556,392.76 = 18,781,216.88/x - Step 3: Cross multiply
34,461,789.20x = 47,556,392.76 × 18,781,216.88 - Step 4: Simplify right side
34,461,789.20x = 893,166,926,456,021.75 - Step 5: Solve for x
x = 893,166,926,456,021.75/34,461,789.20 - Step 6: Final answer
x = 25,917,601.70
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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.