Finding the Fourth Proportional to 26,815,406.92, 40,212,900.73 and 15,888,679.95
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Solution
The fourth proportional to 26,815,406.92, 40,212,900.73 and 15,888,679.95 is: 23,826,970.50
Step by Step Solution
- Step 1: Write the proportion equation
26,815,406.92 : 40,212,900.73 = 15,888,679.95 : x - Step 2: Convert to fraction form
26,815,406.92/40,212,900.73 = 15,888,679.95/x - Step 3: Cross multiply
26,815,406.92x = 40,212,900.73 × 15,888,679.95 - Step 4: Simplify right side
26,815,406.92x = 638,929,909,560,091.25 - Step 5: Solve for x
x = 638,929,909,560,091.25/26,815,406.92 - Step 6: Final answer
x = 23,826,970.50
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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.