Finding the Fourth Proportional to 19,714,107.63, 27,205,466.91 and 11,012,280.18
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Solution
The fourth proportional to 19,714,107.63, 27,205,466.91 and 11,012,280.18 is: 15,196,945.74
Step by Step Solution
- Step 1: Write the proportion equation
19,714,107.63 : 27,205,466.91 = 11,012,280.18 : x - Step 2: Convert to fraction form
19,714,107.63/27,205,466.91 = 11,012,280.18/x - Step 3: Cross multiply
19,714,107.63x = 27,205,466.91 × 11,012,280.18 - Step 4: Simplify right side
19,714,107.63x = 299,594,224,040,638.81 - Step 5: Solve for x
x = 299,594,224,040,638.81/19,714,107.63 - Step 6: Final answer
x = 15,196,945.74
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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.