Finding the Fourth Proportional to 26,430,067.90, 39,645,101.85 and 18,367,911.10
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Solution
The fourth proportional to 26,430,067.90, 39,645,101.85 and 18,367,911.10 is: 27,551,866.65
Step by Step Solution
- Step 1: Write the proportion equation
26,430,067.90 : 39,645,101.85 = 18,367,911.10 : x - Step 2: Convert to fraction form
26,430,067.90/39,645,101.85 = 18,367,911.10/x - Step 3: Cross multiply
26,430,067.90x = 39,645,101.85 × 18,367,911.10 - Step 4: Simplify right side
26,430,067.90x = 728,197,706,331,245.62 - Step 5: Solve for x
x = 728,197,706,331,245.62/26,430,067.90 - Step 6: Final answer
x = 27,551,866.65
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1.5x scale
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.