Finding the Fourth Proportional to 19,180,723.65, 28,771,101.87 and 5,347,133.99
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Solution
The fourth proportional to 19,180,723.65, 28,771,101.87 and 5,347,133.99 is: 8,020,705.56
Step by Step Solution
- Step 1: Write the proportion equation
19,180,723.65 : 28,771,101.87 = 5,347,133.99 : x - Step 2: Convert to fraction form
19,180,723.65/28,771,101.87 = 5,347,133.99/x - Step 3: Cross multiply
19,180,723.65x = 28,771,101.87 × 5,347,133.99 - Step 4: Simplify right side
19,180,723.65x = 153,842,936,738,829.56 - Step 5: Solve for x
x = 153,842,936,738,829.56/19,180,723.65 - Step 6: Final answer
x = 8,020,705.56
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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.