Finding the Fourth Proportional to 19,886,828.76, 29,837,529.99 and 8,375,193.90
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Solution
The fourth proportional to 19,886,828.76, 29,837,529.99 and 8,375,193.90 is: 12,565,859.65
Step by Step Solution
- Step 1: Write the proportion equation
19,886,828.76 : 29,837,529.99 = 8,375,193.90 : x - Step 2: Convert to fraction form
19,886,828.76/29,837,529.99 = 8,375,193.90/x - Step 3: Cross multiply
19,886,828.76x = 29,837,529.99 × 8,375,193.90 - Step 4: Simplify right side
19,886,828.76x = 249,895,099,163,315.06 - Step 5: Solve for x
x = 249,895,099,163,315.06/19,886,828.76 - Step 6: Final answer
x = 12,565,859.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.