Finding the Fourth Proportional to 26,606,840.40, 39,920,758.20 and 10,430,038.80
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Solution
The fourth proportional to 26,606,840.40, 39,920,758.20 and 10,430,038.80 is: 15,649,173.32
Step by Step Solution
- Step 1: Write the proportion equation
26,606,840.40 : 39,920,758.20 = 10,430,038.80 : x - Step 2: Convert to fraction form
26,606,840.40/39,920,758.20 = 10,430,038.80/x - Step 3: Cross multiply
26,606,840.40x = 39,920,758.20 × 10,430,038.80 - Step 4: Simplify right side
26,606,840.40x = 416,375,056,951,418.25 - Step 5: Solve for x
x = 416,375,056,951,418.25/26,606,840.40 - Step 6: Final answer
x = 15,649,173.32
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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.