Finding the Fourth Proportional to 20,549,988.99, 30,828,544.88 and 6,904,466.30
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Solution
The fourth proportional to 20,549,988.99, 30,828,544.88 and 6,904,466.30 is: 10,357,896.02
Step by Step Solution
- Step 1: Write the proportion equation
20,549,988.99 : 30,828,544.88 = 6,904,466.30 : x - Step 2: Convert to fraction form
20,549,988.99/30,828,544.88 = 6,904,466.30/x - Step 3: Cross multiply
20,549,988.99x = 30,828,544.88 × 6,904,466.30 - Step 4: Simplify right side
20,549,988.99x = 212,854,649,206,402.75 - Step 5: Solve for x
x = 212,854,649,206,402.75/20,549,988.99 - Step 6: Final answer
x = 10,357,896.02
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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.