Finding the Fourth Proportional to 16,549,422.66, 22,838,133.06 and 9,207,958.50
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Solution
The fourth proportional to 16,549,422.66, 22,838,133.06 and 9,207,958.50 is: 12,706,943.67
Step by Step Solution
- Step 1: Write the proportion equation
16,549,422.66 : 22,838,133.06 = 9,207,958.50 : x - Step 2: Convert to fraction form
16,549,422.66/22,838,133.06 = 9,207,958.50/x - Step 3: Cross multiply
16,549,422.66x = 22,838,133.06 × 9,207,958.50 - Step 4: Simplify right side
16,549,422.66x = 210,292,581,433,958 - Step 5: Solve for x
x = 210,292,581,433,958/16,549,422.66 - Step 6: Final answer
x = 12,706,943.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.