Finding the Fourth Proportional to 16,490,427.93, 22,756,817.84 and 9,148,261.23
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Solution
The fourth proportional to 16,490,427.93, 22,756,817.84 and 9,148,261.23 is: 12,624,615.64
Step by Step Solution
- Step 1: Write the proportion equation
16,490,427.93 : 22,756,817.84 = 9,148,261.23 : x - Step 2: Convert to fraction form
16,490,427.93/22,756,817.84 = 9,148,261.23/x - Step 3: Cross multiply
16,490,427.93x = 22,756,817.84 × 9,148,261.23 - Step 4: Simplify right side
16,490,427.93x = 208,185,314,318,103.06 - Step 5: Solve for x
x = 208,185,314,318,103.06/16,490,427.93 - Step 6: Final answer
x = 12,624,615.64
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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.