Finding the Fourth Proportional to 13,742,271.02, 20,613,394.79 and 3,507,129.98
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Solution
The fourth proportional to 13,742,271.02, 20,613,394.79 and 3,507,129.98 is: 5,260,691.98
Step by Step Solution
- Step 1: Write the proportion equation
13,742,271.02 : 20,613,394.79 = 3,507,129.98 : x - Step 2: Convert to fraction form
13,742,271.02/20,613,394.79 = 3,507,129.98/x - Step 3: Cross multiply
13,742,271.02x = 20,613,394.79 × 3,507,129.98 - Step 4: Simplify right side
13,742,271.02x = 72,293,854,914,701.25 - Step 5: Solve for x
x = 72,293,854,914,701.25/13,742,271.02 - Step 6: Final answer
x = 5,260,691.98
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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.