Finding the Fourth Proportional to 26,197,702.63, 39,112,352.06 and 20,017,339.05
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Solution
The fourth proportional to 26,197,702.63, 39,112,352.06 and 20,017,339.05 is: 29,885,262.20
Step by Step Solution
- Step 1: Write the proportion equation
26,197,702.63 : 39,112,352.06 = 20,017,339.05 : x - Step 2: Convert to fraction form
26,197,702.63/39,112,352.06 = 20,017,339.05/x - Step 3: Cross multiply
26,197,702.63x = 39,112,352.06 × 20,017,339.05 - Step 4: Simplify right side
26,197,702.63x = 782,925,212,227,986 - Step 5: Solve for x
x = 782,925,212,227,986/26,197,702.63 - Step 6: Final answer
x = 29,885,262.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.