Finding the Fourth Proportional to 19,567,707.84, 27,002,529.36 and 10,866,435.12
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Solution
The fourth proportional to 19,567,707.84, 27,002,529.36 and 10,866,435.12 is: 14,995,176.53
Step by Step Solution
- Step 1: Write the proportion equation
19,567,707.84 : 27,002,529.36 = 10,866,435.12 : x - Step 2: Convert to fraction form
19,567,707.84/27,002,529.36 = 10,866,435.12/x - Step 3: Cross multiply
19,567,707.84x = 27,002,529.36 × 10,866,435.12 - Step 4: Simplify right side
19,567,707.84x = 293,421,233,366,335.12 - Step 5: Solve for x
x = 293,421,233,366,335.12/19,567,707.84 - Step 6: Final answer
x = 14,995,176.53
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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.