Finding the Fourth Proportional to 19,193,655.84, 28,790,483.84 and 6,414,160.56
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Solution
The fourth proportional to 19,193,655.84, 28,790,483.84 and 6,414,160.56 is: 9,621,240.87
Step by Step Solution
- Step 1: Write the proportion equation
19,193,655.84 : 28,790,483.84 = 6,414,160.56 : x - Step 2: Convert to fraction form
19,193,655.84/28,790,483.84 = 6,414,160.56/x - Step 3: Cross multiply
19,193,655.84x = 28,790,483.84 × 6,414,160.56 - Step 4: Simplify right side
19,193,655.84x = 184,666,785,949,845.34 - Step 5: Solve for x
x = 184,666,785,949,845.34/19,193,655.84 - Step 6: Final answer
x = 9,621,240.87
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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.