Finding the Fourth Proportional to 22,421,497.95, 30,941,666.99 and 12,108,220.13
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Solution
The fourth proportional to 22,421,497.95, 30,941,666.99 and 12,108,220.13 is: 16,709,343.68
Step by Step Solution
- Step 1: Write the proportion equation
22,421,497.95 : 30,941,666.99 = 12,108,220.13 : x - Step 2: Convert to fraction form
22,421,497.95/30,941,666.99 = 12,108,220.13/x - Step 3: Cross multiply
22,421,497.95x = 30,941,666.99 × 12,108,220.13 - Step 4: Simplify right side
22,421,497.95x = 374,648,515,166,293.38 - Step 5: Solve for x
x = 374,648,515,166,293.38/22,421,497.95 - Step 6: Final answer
x = 16,709,343.68
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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.