Finding the Fourth Proportional to 18,069,638.57, 27,104,807.36 and 4,422,901.94
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Solution
The fourth proportional to 18,069,638.57, 27,104,807.36 and 4,422,901.94 is: 6,634,438.45
Step by Step Solution
- Step 1: Write the proportion equation
18,069,638.57 : 27,104,807.36 = 4,422,901.94 : x - Step 2: Convert to fraction form
18,069,638.57/27,104,807.36 = 4,422,901.94/x - Step 3: Cross multiply
18,069,638.57x = 27,104,807.36 × 4,422,901.94 - Step 4: Simplify right side
18,069,638.57x = 119,881,904,931,403.48 - Step 5: Solve for x
x = 119,881,904,931,403.48/18,069,638.57 - Step 6: Final answer
x = 6,634,438.45
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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.