Finding the Fourth Proportional to 17,681,959.80, 24,402,521.70 and 9,946,540.80
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Solution
The fourth proportional to 17,681,959.80, 24,402,521.70 and 9,946,540.80 is: 13,727,023.50
Step by Step Solution
- Step 1: Write the proportion equation
17,681,959.80 : 24,402,521.70 = 9,946,540.80 : x - Step 2: Convert to fraction form
17,681,959.80/24,402,521.70 = 9,946,540.80/x - Step 3: Cross multiply
17,681,959.80x = 24,402,521.70 × 9,946,540.80 - Step 4: Simplify right side
17,681,959.80x = 242,720,677,711,935.38 - Step 5: Solve for x
x = 242,720,677,711,935.38/17,681,959.80 - Step 6: Final answer
x = 13,727,023.50
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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.