Finding the Fourth Proportional to 14,118,112.08, 19,484,434.44 and 8,318,702.16
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Solution
The fourth proportional to 14,118,112.08, 19,484,434.44 and 8,318,702.16 is: 11,480,657.32
Step by Step Solution
- Step 1: Write the proportion equation
14,118,112.08 : 19,484,434.44 = 8,318,702.16 : x - Step 2: Convert to fraction form
14,118,112.08/19,484,434.44 = 8,318,702.16/x - Step 3: Cross multiply
14,118,112.08x = 19,484,434.44 × 8,318,702.16 - Step 4: Simplify right side
14,118,112.08x = 162,085,206,862,406.41 - Step 5: Solve for x
x = 162,085,206,862,406.41/14,118,112.08 - Step 6: Final answer
x = 11,480,657.32
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1.5x scale
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.