Finding the Fourth Proportional to 26,604,917.70, 39,898,045.35 and 13,821,173.70
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Solution
The fourth proportional to 26,604,917.70, 39,898,045.35 and 13,821,173.70 is: 20,726,913.02
Step by Step Solution
- Step 1: Write the proportion equation
26,604,917.70 : 39,898,045.35 = 13,821,173.70 : x - Step 2: Convert to fraction form
26,604,917.70/39,898,045.35 = 13,821,173.70/x - Step 3: Cross multiply
26,604,917.70x = 39,898,045.35 × 13,821,173.70 - Step 4: Simplify right side
26,604,917.70x = 551,437,815,072,827.31 - Step 5: Solve for x
x = 551,437,815,072,827.31/26,604,917.70 - Step 6: Final answer
x = 20,726,913.02
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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.