Finding the Fourth Proportional to 8,732,430.99, 13,101,009.66 and 4,948,571.07
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Solution
The fourth proportional to 8,732,430.99, 13,101,009.66 and 4,948,571.07 is: 7,424,195.79
Step by Step Solution
- Step 1: Write the proportion equation
8,732,430.99 : 13,101,009.66 = 4,948,571.07 : x - Step 2: Convert to fraction form
8,732,430.99/13,101,009.66 = 4,948,571.07/x - Step 3: Cross multiply
8,732,430.99x = 13,101,009.66 × 4,948,571.07 - Step 4: Simplify right side
8,732,430.99x = 64,831,277,391,266.54 - Step 5: Solve for x
x = 64,831,277,391,266.54/8,732,430.99 - Step 6: Final answer
x = 7,424,195.79
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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.