Finding the Fourth Proportional to 19,947,726.93, 29,923,288.06 and 6,297,221.98
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Solution
The fourth proportional to 19,947,726.93, 29,923,288.06 and 6,297,221.98 is: 9,446,368.90
Step by Step Solution
- Step 1: Write the proportion equation
19,947,726.93 : 29,923,288.06 = 6,297,221.98 : x - Step 2: Convert to fraction form
19,947,726.93/29,923,288.06 = 6,297,221.98/x - Step 3: Cross multiply
19,947,726.93x = 29,923,288.06 × 6,297,221.98 - Step 4: Simplify right side
19,947,726.93x = 188,433,587,318,771.91 - Step 5: Solve for x
x = 188,433,587,318,771.91/19,947,726.93 - Step 6: Final answer
x = 9,446,368.90
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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.