Finding the Fourth Proportional to 18,185,293.64, 27,281,533.98 and 6,670,867.81
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Solution
The fourth proportional to 18,185,293.64, 27,281,533.98 and 6,670,867.81 is: 10,007,619.92
Step by Step Solution
- Step 1: Write the proportion equation
18,185,293.64 : 27,281,533.98 = 6,670,867.81 : x - Step 2: Convert to fraction form
18,185,293.64/27,281,533.98 = 6,670,867.81/x - Step 3: Cross multiply
18,185,293.64x = 27,281,533.98 × 6,670,867.81 - Step 4: Simplify right side
18,185,293.64x = 181,991,506,834,603.19 - Step 5: Solve for x
x = 181,991,506,834,603.19/18,185,293.64 - Step 6: Final answer
x = 10,007,619.92
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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.