Finding the Fourth Proportional to 23,780,731.68, 32,817,577.68 and 12,915,715.68
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Solution
The fourth proportional to 23,780,731.68, 32,817,577.68 and 12,915,715.68 is: 17,823,778.86
Step by Step Solution
- Step 1: Write the proportion equation
23,780,731.68 : 32,817,577.68 = 12,915,715.68 : x - Step 2: Convert to fraction form
23,780,731.68/32,817,577.68 = 12,915,715.68/x - Step 3: Cross multiply
23,780,731.68x = 32,817,577.68 × 12,915,715.68 - Step 4: Simplify right side
23,780,731.68x = 423,862,502,621,194 - Step 5: Solve for x
x = 423,862,502,621,194/23,780,731.68 - Step 6: Final answer
x = 17,823,778.86
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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.