Finding the Fourth Proportional to 9,702,781.11, 13,389,603.33 and 5,351,774.00
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Solution
The fourth proportional to 9,702,781.11, 13,389,603.33 and 5,351,774.00 is: 7,385,318.71
Step by Step Solution
- Step 1: Write the proportion equation
9,702,781.11 : 13,389,603.33 = 5,351,774.00 : x - Step 2: Convert to fraction form
9,702,781.11/13,389,603.33 = 5,351,774.00/x - Step 3: Cross multiply
9,702,781.11x = 13,389,603.33 × 5,351,774.00 - Step 4: Simplify right side
9,702,781.11x = 71,658,130,904,859.41 - Step 5: Solve for x
x = 71,658,130,904,859.41/9,702,781.11 - Step 6: Final answer
x = 7,385,318.71
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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.