Finding the Fourth Proportional to 10,981,396.70, 15,155,235.36 and 6,088,154.30
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Solution
The fourth proportional to 10,981,396.70, 15,155,235.36 and 6,088,154.30 is: 8,402,156.28
Step by Step Solution
- Step 1: Write the proportion equation
10,981,396.70 : 15,155,235.36 = 6,088,154.30 : x - Step 2: Convert to fraction form
10,981,396.70/15,155,235.36 = 6,088,154.30/x - Step 3: Cross multiply
10,981,396.70x = 15,155,235.36 × 6,088,154.30 - Step 4: Simplify right side
10,981,396.70x = 92,267,411,248,719.86 - Step 5: Solve for x
x = 92,267,411,248,719.86/10,981,396.70 - Step 6: Final answer
x = 8,402,156.28
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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.