Finding the Fourth Proportional to 30,553,104.87, 42,164,393.40 and 17,502,885.99
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Solution
The fourth proportional to 30,553,104.87, 42,164,393.40 and 17,502,885.99 is: 24,154,617.79
Step by Step Solution
- Step 1: Write the proportion equation
30,553,104.87 : 42,164,393.40 = 17,502,885.99 : x - Step 2: Convert to fraction form
30,553,104.87/42,164,393.40 = 17,502,885.99/x - Step 3: Cross multiply
30,553,104.87x = 42,164,393.40 × 17,502,885.99 - Step 4: Simplify right side
30,553,104.87x = 737,998,570,517,708.38 - Step 5: Solve for x
x = 737,998,570,517,708.38/30,553,104.87 - Step 6: Final answer
x = 24,154,617.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.