Finding the Fourth Proportional to 26,990,434.70, 40,485,652.05 and 24,387,029.90
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Solution
The fourth proportional to 26,990,434.70, 40,485,652.05 and 24,387,029.90 is: 36,580,544.85
Step by Step Solution
- Step 1: Write the proportion equation
26,990,434.70 : 40,485,652.05 = 24,387,029.90 : x - Step 2: Convert to fraction form
26,990,434.70/40,485,652.05 = 24,387,029.90/x - Step 3: Cross multiply
26,990,434.70x = 40,485,652.05 × 24,387,029.90 - Step 4: Simplify right side
26,990,434.70x = 987,324,807,064,346.12 - Step 5: Solve for x
x = 987,324,807,064,346.12/26,990,434.70 - Step 6: Final answer
x = 36,580,544.85
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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.