Finding the Fourth Proportional to 9,014,386.14, 12,439,896.18 and 4,884,416.19
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Solution
The fourth proportional to 9,014,386.14, 12,439,896.18 and 4,884,416.19 is: 6,740,517.81
Step by Step Solution
- Step 1: Write the proportion equation
9,014,386.14 : 12,439,896.18 = 4,884,416.19 : x - Step 2: Convert to fraction form
9,014,386.14/12,439,896.18 = 4,884,416.19/x - Step 3: Cross multiply
9,014,386.14x = 12,439,896.18 × 4,884,416.19 - Step 4: Simplify right side
9,014,386.14x = 60,761,630,303,511.16 - Step 5: Solve for x
x = 60,761,630,303,511.16/9,014,386.14 - Step 6: Final answer
x = 6,740,517.81
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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.