Finding the Fourth Proportional to 38,818,261.80, 58,217,424.84 and 11,518,097.13
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Solution
The fourth proportional to 38,818,261.80, 58,217,424.84 and 11,518,097.13 is: 17,274,188.05
Step by Step Solution
- Step 1: Write the proportion equation
38,818,261.80 : 58,217,424.84 = 11,518,097.13 : x - Step 2: Convert to fraction form
38,818,261.80/58,217,424.84 = 11,518,097.13/x - Step 3: Cross multiply
38,818,261.80x = 58,217,424.84 × 11,518,097.13 - Step 4: Simplify right side
38,818,261.80x = 670,553,953,965,594.75 - Step 5: Solve for x
x = 670,553,953,965,594.75/38,818,261.80 - Step 6: Final answer
x = 17,274,188.05
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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.