Finding the Fourth Proportional to 15,036,901.32, 20,750,368.71 and 8,161,235.76
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Solution
The fourth proportional to 15,036,901.32, 20,750,368.71 and 8,161,235.76 is: 11,262,204.06
Step by Step Solution
- Step 1: Write the proportion equation
15,036,901.32 : 20,750,368.71 = 8,161,235.76 : x - Step 2: Convert to fraction form
15,036,901.32/20,750,368.71 = 8,161,235.76/x - Step 3: Cross multiply
15,036,901.32x = 20,750,368.71 × 8,161,235.76 - Step 4: Simplify right side
15,036,901.32x = 169,348,651,149,237.06 - Step 5: Solve for x
x = 169,348,651,149,237.06/15,036,901.32 - Step 6: Final answer
x = 11,262,204.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.