Finding the Fourth Proportional to 19,095,511.36, 28,642,490.20 and 4,718,217.08
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Solution
The fourth proportional to 19,095,511.36, 28,642,490.20 and 4,718,217.08 is: 7,077,133.67
Step by Step Solution
- Step 1: Write the proportion equation
19,095,511.36 : 28,642,490.20 = 4,718,217.08 : x - Step 2: Convert to fraction form
19,095,511.36/28,642,490.20 = 4,718,217.08/x - Step 3: Cross multiply
19,095,511.36x = 28,642,490.20 × 4,718,217.08 - Step 4: Simplify right side
19,095,511.36x = 135,141,486,475,372.61 - Step 5: Solve for x
x = 135,141,486,475,372.61/19,095,511.36 - Step 6: Final answer
x = 7,077,133.67
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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.