Finding the Fourth Proportional to 28,248,745.08, 42,373,511.40 and 8,053,987.08
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Solution
The fourth proportional to 28,248,745.08, 42,373,511.40 and 8,053,987.08 is: 12,081,092.89
Step by Step Solution
- Step 1: Write the proportion equation
28,248,745.08 : 42,373,511.40 = 8,053,987.08 : x - Step 2: Convert to fraction form
28,248,745.08/42,373,511.40 = 8,053,987.08/x - Step 3: Cross multiply
28,248,745.08x = 42,373,511.40 × 8,053,987.08 - Step 4: Simplify right side
28,248,745.08x = 341,275,713,349,832.69 - Step 5: Solve for x
x = 341,275,713,349,832.69/28,248,745.08 - Step 6: Final answer
x = 12,081,092.89
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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.