Finding the Fourth Proportional to 13,769,495.31, 19,001,798.66 and 7,574,408.96
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Solution
The fourth proportional to 13,769,495.31, 19,001,798.66 and 7,574,408.96 is: 10,452,626.68
Step by Step Solution
- Step 1: Write the proportion equation
13,769,495.31 : 19,001,798.66 = 7,574,408.96 : x - Step 2: Convert to fraction form
13,769,495.31/19,001,798.66 = 7,574,408.96/x - Step 3: Cross multiply
13,769,495.31x = 19,001,798.66 × 7,574,408.96 - Step 4: Simplify right side
13,769,495.31x = 143,927,394,092,860.53 - Step 5: Solve for x
x = 143,927,394,092,860.53/13,769,495.31 - Step 6: Final answer
x = 10,452,626.68
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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.