Finding the Fourth Proportional to 36,585,178.23, 54,882,786.51 and 21,239,671.71
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Solution
The fourth proportional to 36,585,178.23, 54,882,786.51 and 21,239,671.71 is: 31,862,421.46
Step by Step Solution
- Step 1: Write the proportion equation
36,585,178.23 : 54,882,786.51 = 21,239,671.71 : x - Step 2: Convert to fraction form
36,585,178.23/54,882,786.51 = 21,239,671.71/x - Step 3: Cross multiply
36,585,178.23x = 54,882,786.51 × 21,239,671.71 - Step 4: Simplify right side
36,585,178.23x = 1,165,692,368,002,416.75 - Step 5: Solve for x
x = 1,165,692,368,002,416.75/36,585,178.23 - Step 6: Final answer
x = 31,862,421.46
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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.