Finding the Fourth Proportional to 23,028,675.21, 31,779,725.76 and 12,574,764.18
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Solution
The fourth proportional to 23,028,675.21, 31,779,725.76 and 12,574,764.18 is: 17,353,258.64
Step by Step Solution
- Step 1: Write the proportion equation
23,028,675.21 : 31,779,725.76 = 12,574,764.18 : x - Step 2: Convert to fraction form
23,028,675.21/31,779,725.76 = 12,574,764.18/x - Step 3: Cross multiply
23,028,675.21x = 31,779,725.76 × 12,574,764.18 - Step 4: Simplify right side
23,028,675.21x = 399,622,557,137,071.31 - Step 5: Solve for x
x = 399,622,557,137,071.31/23,028,675.21 - Step 6: Final answer
x = 17,353,258.64
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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.