Finding the Fourth Proportional to 14,279,753.27, 19,706,401.98 and 7,753,657.79
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Solution
The fourth proportional to 14,279,753.27, 19,706,401.98 and 7,753,657.79 is: 10,700,233.70
Step by Step Solution
- Step 1: Write the proportion equation
14,279,753.27 : 19,706,401.98 = 7,753,657.79 : x - Step 2: Convert to fraction form
14,279,753.27/19,706,401.98 = 7,753,657.79/x - Step 3: Cross multiply
14,279,753.27x = 19,706,401.98 × 7,753,657.79 - Step 4: Simplify right side
14,279,753.27x = 152,796,697,126,566.41 - Step 5: Solve for x
x = 152,796,697,126,566.41/14,279,753.27 - Step 6: Final answer
x = 10,700,233.70
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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.