Finding the Fourth Proportional to 34,580,780.68, 47,722,574.94 and 18,899,461.24
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Solution
The fourth proportional to 34,580,780.68, 47,722,574.94 and 18,899,461.24 is: 26,081,856.38
Step by Step Solution
- Step 1: Write the proportion equation
34,580,780.68 : 47,722,574.94 = 18,899,461.24 : x - Step 2: Convert to fraction form
34,580,780.68/47,722,574.94 = 18,899,461.24/x - Step 3: Cross multiply
34,580,780.68x = 47,722,574.94 × 18,899,461.24 - Step 4: Simplify right side
34,580,780.68x = 901,930,955,351,525.25 - Step 5: Solve for x
x = 901,930,955,351,525.25/34,580,780.68 - Step 6: Final answer
x = 26,081,856.38
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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.