Finding the Fourth Proportional to 15,119,412.18, 22,679,205.75 and 3,759,862.02
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Solution
The fourth proportional to 15,119,412.18, 22,679,205.75 and 3,759,862.02 is: 5,639,814.78
Step by Step Solution
- Step 1: Write the proportion equation
15,119,412.18 : 22,679,205.75 = 3,759,862.02 : x - Step 2: Convert to fraction form
15,119,412.18/22,679,205.75 = 3,759,862.02/x - Step 3: Cross multiply
15,119,412.18x = 22,679,205.75 × 3,759,862.02 - Step 4: Simplify right side
15,119,412.18x = 85,270,684,343,190.61 - Step 5: Solve for x
x = 85,270,684,343,190.61/15,119,412.18 - Step 6: Final answer
x = 5,639,814.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.