Finding the Fourth Proportional to 13,883,531.98, 20,838,731.61 and 6,700,122.70
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Solution
The fourth proportional to 13,883,531.98, 20,838,731.61 and 6,700,122.70 is: 10,056,667.06
Step by Step Solution
- Step 1: Write the proportion equation
13,883,531.98 : 20,838,731.61 = 6,700,122.70 : x - Step 2: Convert to fraction form
13,883,531.98/20,838,731.61 = 6,700,122.70/x - Step 3: Cross multiply
13,883,531.98x = 20,838,731.61 × 6,700,122.70 - Step 4: Simplify right side
13,883,531.98x = 139,622,058,699,368.55 - Step 5: Solve for x
x = 139,622,058,699,368.55/13,883,531.98 - Step 6: Final answer
x = 10,056,667.06
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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.