Finding the Fourth Proportional to 19,167,201.58, 28,734,006.21 and 7,208,335.66
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Solution
The fourth proportional to 19,167,201.58, 28,734,006.21 and 7,208,335.66 is: 10,806,186.85
Step by Step Solution
- Step 1: Write the proportion equation
19,167,201.58 : 28,734,006.21 = 7,208,335.66 : x - Step 2: Convert to fraction form
19,167,201.58/28,734,006.21 = 7,208,335.66/x - Step 3: Cross multiply
19,167,201.58x = 28,734,006.21 × 7,208,335.66 - Step 4: Simplify right side
19,167,201.58x = 207,124,361,618,204.47 - Step 5: Solve for x
x = 207,124,361,618,204.47/19,167,201.58 - Step 6: Final answer
x = 10,806,186.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.