Finding the Fourth Proportional to 19,581,352.04, 27,022,995.09 and 11,742,140.58
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Solution
The fourth proportional to 19,581,352.04, 27,022,995.09 and 11,742,140.58 is: 16,204,591.32
Step by Step Solution
- Step 1: Write the proportion equation
19,581,352.04 : 27,022,995.09 = 11,742,140.58 : x - Step 2: Convert to fraction form
19,581,352.04/27,022,995.09 = 11,742,140.58/x - Step 3: Cross multiply
19,581,352.04x = 27,022,995.09 × 11,742,140.58 - Step 4: Simplify right side
19,581,352.04x = 317,307,807,367,506.88 - Step 5: Solve for x
x = 317,307,807,367,506.88/19,581,352.04 - Step 6: Final answer
x = 16,204,591.32
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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.