Finding the Fourth Proportional to 13,116,959.04, 18,101,427.63 and 7,316,114.68
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Solution
The fourth proportional to 13,116,959.04, 18,101,427.63 and 7,316,114.68 is: 10,096,251.73
Step by Step Solution
- Step 1: Write the proportion equation
13,116,959.04 : 18,101,427.63 = 7,316,114.68 : x - Step 2: Convert to fraction form
13,116,959.04/18,101,427.63 = 7,316,114.68/x - Step 3: Cross multiply
13,116,959.04x = 18,101,427.63 × 7,316,114.68 - Step 4: Simplify right side
13,116,959.04x = 132,432,120,412,800.59 - Step 5: Solve for x
x = 132,432,120,412,800.59/13,116,959.04 - Step 6: Final answer
x = 10,096,251.73
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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.