Finding the Fourth Proportional to 42,406,824.20, 63,602,664.08 and 11,282,660.19
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Solution
The fourth proportional to 42,406,824.20, 63,602,664.08 and 11,282,660.19 is: 16,921,975.64
Step by Step Solution
- Step 1: Write the proportion equation
42,406,824.20 : 63,602,664.08 = 11,282,660.19 : x - Step 2: Convert to fraction form
42,406,824.20/63,602,664.08 = 11,282,660.19/x - Step 3: Cross multiply
42,406,824.20x = 63,602,664.08 × 11,282,660.19 - Step 4: Simplify right side
42,406,824.20x = 717,607,245,936,945.62 - Step 5: Solve for x
x = 717,607,245,936,945.62/42,406,824.20 - Step 6: Final answer
x = 16,921,975.64
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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.