Finding the Fourth Proportional to 19,947,021.13, 29,920,539.90 and 4,800,952.63
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Solution
The fourth proportional to 19,947,021.13, 29,920,539.90 and 4,800,952.63 is: 7,201,430.92
Step by Step Solution
- Step 1: Write the proportion equation
19,947,021.13 : 29,920,539.90 = 4,800,952.63 : x - Step 2: Convert to fraction form
19,947,021.13/29,920,539.90 = 4,800,952.63/x - Step 3: Cross multiply
19,947,021.13x = 29,920,539.90 × 4,800,952.63 - Step 4: Simplify right side
19,947,021.13x = 143,647,094,723,924.94 - Step 5: Solve for x
x = 143,647,094,723,924.94/19,947,021.13 - Step 6: Final answer
x = 7,201,430.92
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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.