Finding the Fourth Proportional to 26,138,145.78, 39,209,677.35 and 7,694,102.88
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Solution
The fourth proportional to 26,138,145.78, 39,209,677.35 and 7,694,102.88 is: 11,541,878.06
Step by Step Solution
- Step 1: Write the proportion equation
26,138,145.78 : 39,209,677.35 = 7,694,102.88 : x - Step 2: Convert to fraction form
26,138,145.78/39,209,677.35 = 7,694,102.88/x - Step 3: Cross multiply
26,138,145.78x = 39,209,677.35 × 7,694,102.88 - Step 4: Simplify right side
26,138,145.78x = 301,683,291,422,505.75 - Step 5: Solve for x
x = 301,683,291,422,505.75/26,138,145.78 - Step 6: Final answer
x = 11,541,878.06
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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.