Finding the Fourth Proportional to 13,791,525.45, 19,032,305.04 and 7,993,670.19
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Solution
The fourth proportional to 13,791,525.45, 19,032,305.04 and 7,993,670.19 is: 11,031,264.82
Step by Step Solution
- Step 1: Write the proportion equation
13,791,525.45 : 19,032,305.04 = 7,993,670.19 : x - Step 2: Convert to fraction form
13,791,525.45/19,032,305.04 = 7,993,670.19/x - Step 3: Cross multiply
13,791,525.45x = 19,032,305.04 × 7,993,670.19 - Step 4: Simplify right side
13,791,525.45x = 152,137,969,445,234.75 - Step 5: Solve for x
x = 152,137,969,445,234.75/13,791,525.45 - Step 6: Final answer
x = 11,031,264.82
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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.