Finding the Fourth Proportional to 21,252,332.68, 31,877,299.93 and 9,418,056.65
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Solution
The fourth proportional to 21,252,332.68, 31,877,299.93 and 9,418,056.65 is: 14,126,553.59
Step by Step Solution
- Step 1: Write the proportion equation
21,252,332.68 : 31,877,299.93 = 9,418,056.65 : x - Step 2: Convert to fraction form
21,252,332.68/31,877,299.93 = 9,418,056.65/x - Step 3: Cross multiply
21,252,332.68x = 31,877,299.93 × 9,418,056.65 - Step 4: Simplify right side
21,252,332.68x = 300,222,216,589,781.06 - Step 5: Solve for x
x = 300,222,216,589,781.06/21,252,332.68 - Step 6: Final answer
x = 14,126,553.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.