Finding the Fourth Proportional to 26,245,845.40, 39,368,768.10 and 17,679,803.80
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Solution
The fourth proportional to 26,245,845.40, 39,368,768.10 and 17,679,803.80 is: 26,519,705.70
Step by Step Solution
- Step 1: Write the proportion equation
26,245,845.40 : 39,368,768.10 = 17,679,803.80 : x - Step 2: Convert to fraction form
26,245,845.40/39,368,768.10 = 17,679,803.80/x - Step 3: Cross multiply
26,245,845.40x = 39,368,768.10 × 17,679,803.80 - Step 4: Simplify right side
26,245,845.40x = 696,032,095,855,698.88 - Step 5: Solve for x
x = 696,032,095,855,698.88/26,245,845.40 - Step 6: Final answer
x = 26,519,705.70
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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.