Finding the Fourth Proportional to 10,186,341.26, 15,285,796.66 and 4,720,417.26
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Solution
The fourth proportional to 10,186,341.26, 15,285,796.66 and 4,720,417.26 is: 7,083,538.29
Step by Step Solution
- Step 1: Write the proportion equation
10,186,341.26 : 15,285,796.66 = 4,720,417.26 : x - Step 2: Convert to fraction form
10,186,341.26/15,285,796.66 = 4,720,417.26/x - Step 3: Cross multiply
10,186,341.26x = 15,285,796.66 × 4,720,417.26 - Step 4: Simplify right side
10,186,341.26x = 72,155,338,386,714.34 - Step 5: Solve for x
x = 72,155,338,386,714.34/10,186,341.26 - Step 6: Final answer
x = 7,083,538.29
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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.