Finding the Fourth Proportional to 19,806,260.82, 27,337,502.07 and 12,075,565.74
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Solution
The fourth proportional to 19,806,260.82, 27,337,502.07 and 12,075,565.74 is: 16,667,245.09
Step by Step Solution
- Step 1: Write the proportion equation
19,806,260.82 : 27,337,502.07 = 12,075,565.74 : x - Step 2: Convert to fraction form
19,806,260.82/27,337,502.07 = 12,075,565.74/x - Step 3: Cross multiply
19,806,260.82x = 27,337,502.07 × 12,075,565.74 - Step 4: Simplify right side
19,806,260.82x = 330,115,803,413,671.06 - Step 5: Solve for x
x = 330,115,803,413,671.06/19,806,260.82 - Step 6: Final answer
x = 16,667,245.09
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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.