Finding the Fourth Proportional to 26,986,203.41, 40,478,632.61 and 12,625,338.98
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Solution
The fourth proportional to 26,986,203.41, 40,478,632.61 and 12,625,338.98 is: 18,937,693.85
Step by Step Solution
- Step 1: Write the proportion equation
26,986,203.41 : 40,478,632.61 = 12,625,338.98 : x - Step 2: Convert to fraction form
26,986,203.41/40,478,632.61 = 12,625,338.98/x - Step 3: Cross multiply
26,986,203.41x = 40,478,632.61 × 12,625,338.98 - Step 4: Simplify right side
26,986,203.41x = 511,056,458,186,202 - Step 5: Solve for x
x = 511,056,458,186,202/26,986,203.41 - Step 6: Final answer
x = 18,937,693.85
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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.