Finding the Fourth Proportional to 7,749,683.84, 11,607,918.21 and 6,303,502.75
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Solution
The fourth proportional to 7,749,683.84, 11,607,918.21 and 6,303,502.75 is: 9,441,745.74
Step by Step Solution
- Step 1: Write the proportion equation
7,749,683.84 : 11,607,918.21 = 6,303,502.75 : x - Step 2: Convert to fraction form
7,749,683.84/11,607,918.21 = 6,303,502.75/x - Step 3: Cross multiply
7,749,683.84x = 11,607,918.21 × 6,303,502.75 - Step 4: Simplify right side
7,749,683.84x = 73,170,544,326,992.56 - Step 5: Solve for x
x = 73,170,544,326,992.56/7,749,683.84 - Step 6: Final answer
x = 9,441,745.74
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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.