Finding the Fourth Proportional to 13,235,773.84, 18,267,533.93 and 11,027,134.28
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Solution
The fourth proportional to 13,235,773.84, 18,267,533.93 and 11,027,134.28 is: 15,219,249.90
Step by Step Solution
- Step 1: Write the proportion equation
13,235,773.84 : 18,267,533.93 = 11,027,134.28 : x - Step 2: Convert to fraction form
13,235,773.84/18,267,533.93 = 11,027,134.28/x - Step 3: Cross multiply
13,235,773.84x = 18,267,533.93 × 11,027,134.28 - Step 4: Simplify right side
13,235,773.84x = 201,438,549,683,802.81 - Step 5: Solve for x
x = 201,438,549,683,802.81/13,235,773.84 - Step 6: Final answer
x = 15,219,249.90
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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.