Finding the Fourth Proportional to 13,604,553.68, 18,774,284.18 and 7,492,982.18
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Solution
The fourth proportional to 13,604,553.68, 18,774,284.18 and 7,492,982.18 is: 10,340,315.46
Step by Step Solution
- Step 1: Write the proportion equation
13,604,553.68 : 18,774,284.18 = 7,492,982.18 : x - Step 2: Convert to fraction form
13,604,553.68/18,774,284.18 = 7,492,982.18/x - Step 3: Cross multiply
13,604,553.68x = 18,774,284.18 × 7,492,982.18 - Step 4: Simplify right side
13,604,553.68x = 140,675,376,802,995.91 - Step 5: Solve for x
x = 140,675,376,802,995.91/13,604,553.68 - Step 6: Final answer
x = 10,340,315.46
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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.