Finding the Fourth Proportional to 26,961,660.15, 40,438,503.80 and 9,918,347.28
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Solution
The fourth proportional to 26,961,660.15, 40,438,503.80 and 9,918,347.28 is: 14,876,054.44
Step by Step Solution
- Step 1: Write the proportion equation
26,961,660.15 : 40,438,503.80 = 9,918,347.28 : x - Step 2: Convert to fraction form
26,961,660.15/40,438,503.80 = 9,918,347.28/x - Step 3: Cross multiply
26,961,660.15x = 40,438,503.80 × 9,918,347.28 - Step 4: Simplify right side
26,961,660.15x = 401,083,124,122,407.94 - Step 5: Solve for x
x = 401,083,124,122,407.94/26,961,660.15 - Step 6: Final answer
x = 14,876,054.44
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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.