Finding the Fourth Proportional to 56,128,395, 84,192,592.56 and 13,578,123
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Solution
The fourth proportional to 56,128,395, 84,192,592.56 and 13,578,123 is: 20,367,184.51
Step by Step Solution
- Step 1: Write the proportion equation
56,128,395 : 84,192,592.56 = 13,578,123 : x - Step 2: Convert to fraction form
56,128,395/84,192,592.56 = 13,578,123/x - Step 3: Cross multiply
56,128,395x = 84,192,592.56 × 13,578,123 - Step 4: Simplify right side
56,128,395x = 1,143,177,377,468,565 - Step 5: Solve for x
x = 1,143,177,377,468,565/56,128,395 - Step 6: Final answer
x = 20,367,184.51
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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.