Finding the Fourth Proportional to 22,293,765.81, 30,762,936.95 and 12,502,195.02
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Solution
The fourth proportional to 22,293,765.81, 30,762,936.95 and 12,502,195.02 is: 17,251,649.65
Step by Step Solution
- Step 1: Write the proportion equation
22,293,765.81 : 30,762,936.95 = 12,502,195.02 : x - Step 2: Convert to fraction form
22,293,765.81/30,762,936.95 = 12,502,195.02/x - Step 3: Cross multiply
22,293,765.81x = 30,762,936.95 × 12,502,195.02 - Step 4: Simplify right side
22,293,765.81x = 384,604,237,074,353 - Step 5: Solve for x
x = 384,604,237,074,353/22,293,765.81 - Step 6: Final answer
x = 17,251,649.65
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1.5x scale
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.