Finding the Fourth Proportional to 10,539,281.31, 14,543,407.17 and 6,408,742.20
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Solution
The fourth proportional to 10,539,281.31, 14,543,407.17 and 6,408,742.20 is: 8,843,577.14
Step by Step Solution
- Step 1: Write the proportion equation
10,539,281.31 : 14,543,407.17 = 6,408,742.20 : x - Step 2: Convert to fraction form
10,539,281.31/14,543,407.17 = 6,408,742.20/x - Step 3: Cross multiply
10,539,281.31x = 14,543,407.17 × 6,408,742.20 - Step 4: Simplify right side
10,539,281.31x = 93,204,947,262,161.58 - Step 5: Solve for x
x = 93,204,947,262,161.58/10,539,281.31 - Step 6: Final answer
x = 8,843,577.14
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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.