Finding the Fourth Proportional to 21,484,418.06, 29,592,018.76 and 16,513,353.19
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Solution
The fourth proportional to 21,484,418.06, 29,592,018.76 and 16,513,353.19 is: 22,745,017.15
Step by Step Solution
- Step 1: Write the proportion equation
21,484,418.06 : 29,592,018.76 = 16,513,353.19 : x - Step 2: Convert to fraction form
21,484,418.06/29,592,018.76 = 16,513,353.19/x - Step 3: Cross multiply
21,484,418.06x = 29,592,018.76 × 16,513,353.19 - Step 4: Simplify right side
21,484,418.06x = 488,663,457,232,439 - Step 5: Solve for x
x = 488,663,457,232,439/21,484,418.06 - Step 6: Final answer
x = 22,745,017.15
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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.