Finding the Fourth Proportional to 10,798,809.68, 16,168,801.80 and 7,599,141.20
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Solution
The fourth proportional to 10,798,809.68, 16,168,801.80 and 7,599,141.20 is: 11,378,014.02
Step by Step Solution
- Step 1: Write the proportion equation
10,798,809.68 : 16,168,801.80 = 7,599,141.20 : x - Step 2: Convert to fraction form
10,798,809.68/16,168,801.80 = 7,599,141.20/x - Step 3: Cross multiply
10,798,809.68x = 16,168,801.80 × 7,599,141.20 - Step 4: Simplify right side
10,798,809.68x = 122,869,007,913,014.17 - Step 5: Solve for x
x = 122,869,007,913,014.17/10,798,809.68 - Step 6: Final answer
x = 11,378,014.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.