Finding the Fourth Proportional to 21,559,976.70, 32,355,711.45 and 15,182,684.70
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Solution
The fourth proportional to 21,559,976.70, 32,355,711.45 and 15,182,684.70 is: 22,785,115.77
Step by Step Solution
- Step 1: Write the proportion equation
21,559,976.70 : 32,355,711.45 = 15,182,684.70 : x - Step 2: Convert to fraction form
21,559,976.70/32,355,711.45 = 15,182,684.70/x - Step 3: Cross multiply
21,559,976.70x = 32,355,711.45 × 15,182,684.70 - Step 4: Simplify right side
21,559,976.70x = 491,246,565,189,529.75 - Step 5: Solve for x
x = 491,246,565,189,529.75/21,559,976.70 - Step 6: Final answer
x = 22,785,115.77
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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.