Finding the Fourth Proportional to 8,742,132.60, 13,113,230.07 and 2,676,839.09
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Solution
The fourth proportional to 8,742,132.60, 13,113,230.07 and 2,676,839.09 is: 4,015,268.17
Step by Step Solution
- Step 1: Write the proportion equation
8,742,132.60 : 13,113,230.07 = 2,676,839.09 : x - Step 2: Convert to fraction form
8,742,132.60/13,113,230.07 = 2,676,839.09/x - Step 3: Cross multiply
8,742,132.60x = 13,113,230.07 × 2,676,839.09 - Step 4: Simplify right side
8,742,132.60x = 35,102,006,781,973.29 - Step 5: Solve for x
x = 35,102,006,781,973.29/8,742,132.60 - Step 6: Final answer
x = 4,015,268.17
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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.