Finding the Fourth Proportional to 11,645,291.21, 16,070,565.65 and 6,753,413.75
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Solution
The fourth proportional to 11,645,291.21, 16,070,565.65 and 6,753,413.75 is: 9,319,747.96
Step by Step Solution
- Step 1: Write the proportion equation
11,645,291.21 : 16,070,565.65 = 6,753,413.75 : x - Step 2: Convert to fraction form
11,645,291.21/16,070,565.65 = 6,753,413.75/x - Step 3: Cross multiply
11,645,291.21x = 16,070,565.65 × 6,753,413.75 - Step 4: Simplify right side
11,645,291.21x = 108,531,178,916,867.80 - Step 5: Solve for x
x = 108,531,178,916,867.80/11,645,291.21 - Step 6: Final answer
x = 9,319,747.96
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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.