Finding the Fourth Proportional to 11,499,467.98, 15,868,987.68 and 6,342,718.81
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Solution
The fourth proportional to 11,499,467.98, 15,868,987.68 and 6,342,718.81 is: 8,752,798.55
Step by Step Solution
- Step 1: Write the proportion equation
11,499,467.98 : 15,868,987.68 = 6,342,718.81 : x - Step 2: Convert to fraction form
11,499,467.98/15,868,987.68 = 6,342,718.81/x - Step 3: Cross multiply
11,499,467.98x = 15,868,987.68 × 6,342,718.81 - Step 4: Simplify right side
11,499,467.98x = 100,652,526,653,594.25 - Step 5: Solve for x
x = 100,652,526,653,594.25/11,499,467.98 - Step 6: Final answer
x = 8,752,798.55
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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.