Finding the Fourth Proportional to 26,321,978.70, 39,482,968.05 and 19,944,686.70
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Solution
The fourth proportional to 26,321,978.70, 39,482,968.05 and 19,944,686.70 is: 29,917,030.05
Step by Step Solution
- Step 1: Write the proportion equation
26,321,978.70 : 39,482,968.05 = 19,944,686.70 : x - Step 2: Convert to fraction form
26,321,978.70/39,482,968.05 = 19,944,686.70/x - Step 3: Cross multiply
26,321,978.70x = 39,482,968.05 × 19,944,686.70 - Step 4: Simplify right side
26,321,978.70x = 787,475,427,743,359.88 - Step 5: Solve for x
x = 787,475,427,743,359.88/26,321,978.70 - Step 6: Final answer
x = 29,917,030.05
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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.