Finding the Fourth Proportional to 18,918,202.64, 26,107,119.18 and 10,216,374.52
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Solution
The fourth proportional to 18,918,202.64, 26,107,119.18 and 10,216,374.52 is: 14,098,596.59
Step by Step Solution
- Step 1: Write the proportion equation
18,918,202.64 : 26,107,119.18 = 10,216,374.52 : x - Step 2: Convert to fraction form
18,918,202.64/26,107,119.18 = 10,216,374.52/x - Step 3: Cross multiply
18,918,202.64x = 26,107,119.18 × 10,216,374.52 - Step 4: Simplify right side
18,918,202.64x = 266,720,107,181,155.28 - Step 5: Solve for x
x = 266,720,107,181,155.28/18,918,202.64 - Step 6: Final answer
x = 14,098,596.59
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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.