Finding the Fourth Proportional to 18,962,985.52, 28,448,066.18 and 6,012,397.99
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Solution
The fourth proportional to 18,962,985.52, 28,448,066.18 and 6,012,397.99 is: 9,019,734.56
Step by Step Solution
- Step 1: Write the proportion equation
18,962,985.52 : 28,448,066.18 = 6,012,397.99 : x - Step 2: Convert to fraction form
18,962,985.52/28,448,066.18 = 6,012,397.99/x - Step 3: Cross multiply
18,962,985.52x = 28,448,066.18 × 6,012,397.99 - Step 4: Simplify right side
18,962,985.52x = 171,041,095,920,018.97 - Step 5: Solve for x
x = 171,041,095,920,018.97/18,962,985.52 - Step 6: Final answer
x = 9,019,734.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.